Stable logistic transport system

Abstract

The application discloses a stable logistics transmission system, which comprises a plurality of stations, a transmission pipeline connecting the stations and a pneumatic driving device. The pneumatic driving device comprises an air compressor and a reversing assembly, which are used for driving a transmission bottle to transmit through the transmission pipeline between the stations. The transmission bottle comprises a bottle body for containing articles, a tubular bottle mouth and a bottle cap. A sheath is arranged in the bottle body. Two ends of the sheath are respectively provided with a side plate. The two side plates are connected through a support shaft. A storage rack is movably sleeved on the support shaft. Two ends of the support shaft and between the storage rack and the side plate are respectively sleeved with an elastic member. The two ends of the support shaft are connected with the side plate through a jump ring. The application can avoid the risk of the bottle cap being opened or closed by mistake when the transmission bottle is in high-speed motion or articles are taken or placed, because the inner surface of the bottle cap is abraded and becomes smooth due to the opening and closing of the bottle cap for many times after long-term use.

Description

Technical Field

[0001] This invention relates to the field of medical equipment, and in particular to a stable logistics transmission system. Background Technology

[0002] The pneumatic logistics transport system integrates advanced modern communication technology and opto-mechatronics technology. It connects various departments of the hospital, such as outpatient clinics, pharmacy, operating rooms, laboratories, blood banks, inpatient nursing stations, and central supply rooms, through a dedicated pipeline. It comprehensively solves the problem of automated material distribution in the hospital, enabling rapid transfer of items between departments and effectively addressing the issue of slow delivery of items during medical treatment.

[0003] The transfer bottle is the only carrier in the pneumatic logistics system. Because the transfer bottle moves at high speed inside the pipe and passes through vertical and horizontal bends without slowing down, it will collide with the inner wall of the pipe during high-speed movement and the contents of the bottle will be subjected to various vibrations. This places higher demands on the design of the transfer bottle.

[0004] Currently, while various designs of transfer bottles can achieve the transfer of items, accidents frequently occur during transport, such as damage to the contents due to collisions, items scattering into the pipes due to vibrations, and pipe blockages. Because the logistics pipes are located inside building ceilings, maintenance becomes extremely difficult, increasing the overall maintenance cost of the logistics system. Furthermore, in pneumatic logistics systems used in the medical industry, the losses from such problems during the transfer of high-value consumables or blood samples are difficult to estimate. Summary of the Invention

[0005] The main objective of this invention is to provide a stable logistics transmission system that can avoid the risk of accidental opening or closing of the bottle cap due to friction caused by repeated opening and closing of the bottle cap after long-term use, which could lead to the bottle cap becoming smooth during high-speed movement or when picking up or placing items.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: a stable logistics transmission system, comprising several stations, transmission pipelines connecting the stations, and a pneumatic drive device, wherein the pneumatic drive device includes an air compressor and a reversing assembly, used to drive the transmission bottles to be transmitted between stations through the transmission pipelines;

[0007] The transport bottle includes a bottle body for containing items, a bottle mouth configured as a tube, and a bottle cap. One end of the bottle mouth is connected to the end of the bottle body, and the bottle cap is installed on the other end of the bottle mouth.

[0008] The bottle cap has a first flange extending radially outward on one circumference, and the bottle mouth has a first groove area for the first flange to be inserted into the corresponding circumference. The bottle cap has a second groove area on the other circumference, and the bottle mouth has a second flange extending radially outward on the corresponding circumference for being inserted into the second groove area.

[0009] The first flange portion and the second groove area are spaced apart in the circumferential direction of the bottle cap, and the first flange portion and the second flange portion are spaced apart in the axial direction of the bottle cap and the bottle mouth.

[0010] A first mounting hole is axially formed on the end face of the bottle mouth near the bottle cap. A second mounting hole corresponding to the first mounting hole is formed on the end face of the bottle cap near the bottle mouth. A rotating sleeve fixed relative to the bottle cap is installed in the second mounting hole. A retaining sleeve fixed relative to the bottle mouth is installed in the first mounting hole. A pin passes through the retaining sleeve and the rotating sleeve in sequence, and the upper end of the pin is rotatably installed in the rotating sleeve, so that the rotating sleeve can rotate around the upper end of the pin.

[0011] The lower end of the pin extending from below the retaining sleeve has a radially outward flange. A compressed spring is fitted onto the pin, and the upper and lower ends of the spring are in contact with the lower end face of the retaining sleeve and the upper end face of the pin flange, respectively. The upper end of the pin is connected to the rotating sleeve through a retaining ring and a retaining groove, which restricts the pin from moving downward in the axial direction.

[0012] The retaining sleeve and the rotating sleeve are connected by at least one protrusion and at least two slots into which the protrusion can be inserted. The two side faces of the protrusion are symmetrically arranged slopes, which slope inward in the direction close to the slot. The inner surface of the slot is a slope that matches the slope of the protrusion. When the bottle cap is closed, the protrusion is fully inserted into one slot. When the bottle cap is open, the protrusion is fully inserted into the other slot. The two slopes of the protrusion are connected by a plane.

[0013] The bottle body is provided with a protective sleeve, and a side plate is installed at both ends of the protective sleeve. The two side plates are connected by a support shaft. A shelf is movably fitted on the support shaft. An elastic element is fitted at both ends of the support shaft and between the shelf and the side plate.

[0014] Both ends of the support shaft are connected to the side plate through a jumping ring. The jumping ring is embedded in the mounting groove on the side plate and can move in the radial direction. The side plate is provided with a number of spring grooves with built-in springs at intervals along the circumference. The spring grooves are opened radially and communicate with the mounting groove. One end of a spring pin is embedded in the spring groove and connected to the spring. The other end of the spring pin is in contact with the circumferential surface of the jumping ring.

[0015] The following are further improvements to the above technical solution:

[0016] 1. In the above scheme, the first flange portion is disposed opposite to the second groove area.

[0017] 2. In the above scheme, there are two protrusions and two slots, which are equally spaced along the circumference.

[0018] 3. In the above scheme, the protrusion is located on the end face of the retaining sleeve near the rotating sleeve, and the slot is opened on the end face of the rotating sleeve near the retaining sleeve.

[0019] 4. In the above solution, the sheath has an axially penetrating opening, which is used to take items on or off the shelf.

[0020] 5. In the above scheme, the number of spring grooves is 3 to 8.

[0021] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0022] 1. The present invention provides a stable logistics transmission system, which achieves a sealed connection between the bottle cap and the bottle mouth by cooperating with two sets of flanges and grooves on the bottle cap and bottle mouth, and by staggering the two sets of flanges and grooves in the circumferential and circumferential directions. This system also prevents the bottle cap from falling off due to collisions from various directions during high-speed transportation, thus ensuring the safety and stability of the goods during transportation.

[0023] 2. The stable logistics transmission system of this invention, through the cooperation of two mounting holes and a pin, not only achieves the connection between the bottle cap and the bottle mouth for convenient use, but also allows the bottle cap to rotate around the pin, facilitating the opening and closing of the bottle cap. Furthermore, through the spring cooperation with the mounting structure of the pin and the bottle cap, an axial force is elastically applied to the bottle cap, which facilitates opening while ensuring that the bottle cap and the bottle mouth remain tightly connected in the closed state, maintaining the airtightness of the bottle during transportation, thereby ensuring the safety and stability of the goods transportation. In addition, it can avoid the risk of accidental opening or closing of the bottle cap due to friction and smoothing of the inner surface of the bottle cap caused by repeated opening and closing after long-term use, which could lead to the bottle cap being accidentally opened or closed during high-speed movement or when picking up and placing items.

[0024] 3. The stable logistics transmission system of the present invention includes a protective sleeve inside the bottle. Each end of this protective sleeve has a side plate installed on it. The two side plates are connected by a support shaft. A shelf is movably mounted on the support shaft. Elastic elements are respectively fitted at both ends of the support shaft, between the shelf and the side plate. This effectively prevents damage to the contents of the bottle from impact forces from both ends during multiple and long-term transportations, protecting the safety of the contents within the shelf during repeated transportations. Furthermore, each end of the support shaft is connected to the side plate via a jumping ring. Next, the jumping ring is embedded in the mounting groove on the side plate and can move in the radial direction. The side plate is provided with several spring grooves with built-in springs at intervals along the circumference. These spring grooves are opened radially and communicate with the mounting groove. One end of a spring pin is embedded in the spring groove and connected to the spring. The other end of the spring pin contacts the circumferential surface of the jumping ring, which can disperse the radial force on the items in the bottle. Then, the repeated elastic movement of the spring cancels it out, so that the whole shelf is in a "floating" state, protecting the safety of the items in the shelf during multiple transportation processes. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the stable logistics transmission system of the present invention;

[0026] Figure 2 This is a schematic diagram of the overall structure of the transport bottle in the stable logistics transport system of the present invention;

[0027] Figure 3 This is a schematic diagram of a partial structure of the transport bottle in the stable logistics transport system of the present invention. Figure 1 ;

[0028] Figure 4 This is a schematic diagram of a partial structure of the transport bottle in the stable logistics transport system of the present invention. Figure 2 ;

[0029] Figure 5 This is a schematic diagram of a partial structure of the transport bottle in the stable logistics transport system of the present invention. Figure 3 ;

[0030] Figure 6 This is a schematic diagram of a partial structure of the transport bottle in the stable logistics transport system of the present invention. Figure 4 .

[0031] In the above attached figures: 1. Bottle body; 2. Bottle mouth; 3. Bottle cap; 201. First groove area; 202. Second flange; 301. First flange; 302. Second groove area; 9. First mounting hole; 10. Second mounting hole; 11. Rotating sleeve; 12. Retaining sleeve; 13. Pin; 14. Flange; 15. Spring; 16. Protrusion; 17. Groove; 18. Protective sleeve; 19. Side plate; 20. Support shaft; 21. Shelf; 22. Elastic element; 23. Jumping ring; 24. Mounting groove; 25. Spring groove; 30. Spring pin; 31. Station; 32. Transmission pipe; 33. Pneumatic drive device. Detailed Implementation

[0032] The present patent can be further understood through the specific embodiments given below, but they are not intended to limit the present patent.

[0033] Example 1: A stable logistics transmission system includes several stations 31, transmission pipelines 32 connecting the stations 31, and a pneumatic drive device 33, wherein the pneumatic drive device 33 is used to drive the transmission bottles to be transmitted between the stations 31 through the transmission pipelines 32.

[0034] The transport bottle includes a bottle body 1 for containing items, a bottle mouth 2 configured as a tube, and a bottle cap 3. One end of the bottle mouth 2 is connected to the end of the bottle body 1, and the bottle cap 3 is installed on the other end of the bottle mouth 2.

[0035] The bottle cap 3 has a first flange portion 301 extending radially outward on one circumference, and the bottle mouth 2 has a first groove area 201 for the first flange portion 301 to be inserted on the corresponding circumference. The bottle cap 3 has a second groove area 302 on the other circumference, and the bottle mouth 2 has a second flange portion 202 extending radially outward on the corresponding circumference for being inserted into the second groove area 302.

[0036] The first flange portion 301 and the second groove area 302 are spaced apart in the circumferential direction of the bottle cap 3, and the first flange portion 301 and the second flange portion 202 are spaced apart in the axial direction of the bottle cap 3 and the bottle mouth 2.

[0037] A first mounting hole 9 is axially formed on the end face of the bottle mouth 2 near the bottle cap 3. A second mounting hole 10 corresponding to the first mounting hole 9 is formed on the end face of the bottle cap 3 near the bottle mouth 2. A rotating sleeve 11 fixed relative to the bottle cap 3 is installed in the second mounting hole 10. A retaining sleeve 12 fixed relative to the bottle mouth 2 is installed in the first mounting hole 9. A pin 13 passes through the retaining sleeve 12 and the rotating sleeve 11 in sequence, and the upper end of the pin 13 is rotatably installed in the rotating sleeve 11, so that the rotating sleeve 11 can rotate around the upper end of the pin 13.

[0038] The lower end of the pin 13 extending from below the retaining sleeve 12 has a radially outward flange 14. A compressed spring 15 is fitted onto the pin 13, and the upper and lower ends of the spring 15 are in contact with the lower end face of the retaining sleeve 12 and the upper end face of the flange 14 of the pin 13, respectively. The upper end of the pin 13 is connected to the rotating sleeve 11 through a retaining ring and a retaining groove, which restricts the pin 13 from moving downward in the axial direction.

[0039] The retaining sleeve 12 and the rotating sleeve 11 are connected by at least one protrusion 16 and at least two slots 17 into which the protrusion 16 can be inserted. The two side end faces of the protrusion 16 are symmetrically arranged slopes, which are inclined inward in the direction close to the slot 17. The inner surface of the slot 17 is a slope that matches the slope of the protrusion 16. When the bottle cap 3 is in the closed state, the protrusion 16 is fully inserted into one slot 17. When the bottle cap 3 is in the open state, the protrusion 16 is fully inserted into the other slot 17.

[0040] A protective sleeve 18 is provided inside the bottle body 1. A side plate 19 is installed at both ends of the protective sleeve 18. The two side plates 19 are connected by a support shaft 20. A shelf 21 is movably mounted on the support shaft 20. An elastic element 22 is respectively mounted at both ends of the support shaft 20 and between the shelf 21 and the side plate 19.

[0041] Both ends of the support shaft 20 are connected to the side plate 19 via a jumping ring 23. The jumping ring 23 is embedded in the mounting groove 24 on the side plate 19 and can move in the radial direction. The side plate 19 is provided with a plurality of spring grooves 25 containing springs at intervals along the circumference. The spring grooves 25 are opened radially and communicate with the mounting grooves 24. One end of a spring pin 30 is embedded in the spring groove 25 and connected to the spring. The other end of the spring pin 30 is in contact with the circumferential surface of the jumping ring 23.

[0042] The first flange portion 301 and the second groove region 302 are disposed opposite to each other;

[0043] The aforementioned pneumatic drive device 33 includes an air compressor and a reversing assembly;

[0044] The first mounting hole 9 and the second mounting hole 10 mentioned above both include a circular hole and a square hole that are interconnected. The rotating sleeve 11 and the retaining sleeve 12 both include a circular sleeve and a square sleeve corresponding to the circular hole and the square hole, respectively. The square sleeve of the rotating sleeve 11 and the retaining sleeve 12 are respectively embedded in the square hole of the second mounting hole 10 and the first mounting hole 9, so that the rotating sleeve 11 and the retaining sleeve 12 are relatively fixed to the bottle cap 3 and the bottle mouth 2. Without the use of any connecting parts, the retaining sleeve and the rotating sleeve can remain stationary inside the bottle mouth and the bottle cap under any circumstances.

[0045] The number of spring grooves 25 mentioned above is 5.

[0046] Example 2: A stable logistics transmission system includes several stations 31, transmission pipelines 32 connecting the stations 31, and a pneumatic drive device 33, wherein the pneumatic drive device 33 is used to drive the transmission bottles to be transmitted between the stations 31 through the transmission pipelines 32.

[0047] The transport bottle includes a bottle body 1 for containing items, a bottle mouth 2 configured as a tube, and a bottle cap 3. One end of the bottle mouth 2 is connected to the end of the bottle body 1, and the bottle cap 3 is installed on the other end of the bottle mouth 2.

[0048] The bottle cap 3 has a first flange portion 301 extending radially outward on one circumference, and the bottle mouth 2 has a first groove area 201 for the first flange portion 301 to be inserted on the corresponding circumference. The bottle cap 3 has a second groove area 302 on the other circumference, and the bottle mouth 2 has a second flange portion 202 extending radially outward on the corresponding circumference for being inserted into the second groove area 302.

[0049] The first flange portion 301 and the second groove area 302 are spaced apart in the circumferential direction of the bottle cap 3, and the first flange portion 301 and the second flange portion 202 are spaced apart in the axial direction of the bottle cap 3 and the bottle mouth 2.

[0050] A first mounting hole 9 is axially formed on the end face of the bottle mouth 2 near the bottle cap 3. A second mounting hole 10 corresponding to the first mounting hole 9 is formed on the end face of the bottle cap 3 near the bottle mouth 2. A rotating sleeve 11 fixed relative to the bottle cap 3 is installed in the second mounting hole 10. A retaining sleeve 12 fixed relative to the bottle mouth 2 is installed in the first mounting hole 9. A pin 13 passes through the retaining sleeve 12 and the rotating sleeve 11 in sequence, and the upper end of the pin 13 is rotatably installed in the rotating sleeve 11, so that the rotating sleeve 11 can rotate around the upper end of the pin 13.

[0051] The lower end of the pin 13 extending from below the retaining sleeve 12 has a radially outward flange 14. A compressed spring 15 is fitted onto the pin 13, and the upper and lower ends of the spring 15 are in contact with the lower end face of the retaining sleeve 12 and the upper end face of the flange 14 of the pin 13, respectively. The upper end of the pin 13 is connected to the rotating sleeve 11 through a retaining ring and a retaining groove, which restricts the pin 13 from moving downward in the axial direction.

[0052] The retaining sleeve 12 and the rotating sleeve 11 are connected by at least one protrusion 16 and at least two slots 17 into which the protrusion 16 can be inserted. The two side end faces of the protrusion 16 are symmetrically arranged slopes, which are inclined inward in the direction close to the slot 17. The inner surface of the slot 17 is a slope that matches the slope of the protrusion 16. When the bottle cap 3 is in the closed state, the protrusion 16 is fully inserted into one slot 17. When the bottle cap 3 is in the open state, the protrusion 16 is fully inserted into the other slot 17.

[0053] In use, the spring is inserted into the pin, and the entire spring is passed through the retaining sleeve inside the bottle mouth and the rotating sleeve of the bottle cap. After the spring is compressed to a certain length, the retaining ring is fixed into the groove at the front end of the pin, so that the retaining sleeve and the rotating sleeve are connected, thus connecting the bottle mouth and the bottle cap. The bottle mouth and the bottle cap are connected by the pin. The bottle cap rotates around the pin to open and close the bottle cap. The spring applies pressure to the rotating sleeve to achieve the pressure of the bottle cap on the bottle mouth, increasing the friction and making the bottle cap less likely to rotate.

[0054] When the bottle cap is opened, the cap causes the rotating sleeve to rotate, keeping it stationary inside the bottle opening. Due to the cooperation of the protrusion and the groove, the rotating sleeve rotates and moves upwards simultaneously. The bottle cap also moves upwards accordingly and disengages from the bottle opening. When the groove completely disengages from the protrusion, the rotating sleeve rotates horizontally. After rotating 180°, the groove engages with the protrusion on the other side of the retaining sleeve, causing the rotating sleeve to fall back, and the bottle cap is opened 180°.

[0055] When the bottle cap is opened, the rotating sleeve moves upward and increases the compression of the spring. Within a certain rotation angle, force is required to turn the bottle cap open. After rotating beyond that angle, the bottle cap rotates horizontally without the need for additional force. Moreover, the bottle cap can be positioned again after reaching 180°, and the cap will not wobble and thus affect the loading and unloading of items.

[0056] In addition, when the bottle cap is subjected to a small impact, and under extreme conditions the bottle cap is opened at a small angle, due to the presence of the groove and the protrusion, when the protrusion is still inside the groove, the spring preload will pull the rotating sleeve back to its original position. At this time, the bottle cap that was opened by the impact will automatically close due to the spring tension, reducing the risk of the bottle cap being opened accidentally.

[0057] A protective sleeve 18 is provided inside the bottle body 1. A side plate 19 is installed at both ends of the protective sleeve 18. The two side plates 19 are connected by a support shaft 20. A shelf 21 is movably mounted on the support shaft 20. An elastic element 22 is respectively mounted at both ends of the support shaft 20 and between the shelf 21 and the side plate 19.

[0058] When the transport bottle reaches the designated end and lands or collides at the front, the items inside the bottle will continue to move forward due to inertia and hit the inner wall of the bottle cap. Multiple collisions during the entire transportation process may damage the items. This invention places the items inside the shelf. When the shelf moves forward due to inertia, the inertial kinetic energy of the shelf is absorbed by the elastic elements at the front and rear. The shelf will elastically move a few times along the axial direction of the support shaft and then stop without hitting the side panel, thus protecting the safety of the items inside the shelf during multiple transportation processes.

[0059] Both ends of the support shaft 20 are connected to the side plate 19 through a jumping ring 23. The jumping ring 23 is embedded in the mounting groove 24 on the side plate 19 and can move in the radial direction. The side plate 19 is provided with a number of spring grooves 25 with built-in springs at intervals along the circumference. The spring grooves 25 are opened radially and communicate with the mounting grooves 24. One end of a spring pin 30 is embedded in the spring groove 25 and connected to the spring. The other end of the spring pin 30 is in contact with the circumferential surface of the jumping ring 23.

[0060] When the transfer bottle moves at high speed inside the pipe, it will vibrate due to friction with the inside of the pipe. It will also swing and impact when passing through vertical or horizontal bends, resulting in radial jump. When items are placed directly inside the transfer bottle, the risk is quite high, especially for high-value or fragile items.

[0061] The radial force on the shelf is distributed to the support shaft, which in turn presses the force onto the jumping ring. The jumping ring is supported by spring pins and springs in various directions. The repeated elastic movement of the springs can counteract the radial jump, and the shelf as a whole is in a "floating" state, protecting the safety of the items inside the shelf during multiple transportation processes.

[0062] The number of protrusions 16 and slots 17 are both two, and they are equally spaced along the circumference; the protrusions 16 are located on the end face of the retaining sleeve 12 near the rotating sleeve 11, and the slots 17 are opened on the end face of the rotating sleeve 11 near the retaining sleeve 12; the two sloping surfaces of the protrusions 16 are connected by a plane.

[0063] The aforementioned sheath 18 has an axially extending opening for taking items on or off the shelf 21.

[0064] The number of spring grooves 25 mentioned above is 6.

[0065] When the transfer bottle collides during transportation, the shelf moves forward due to inertia. The inertial kinetic energy of the shelf is absorbed by the elastic parts at the front and back. The shelf will move elastically along the axis of the support shaft several times and then stop without hitting the side panel, thus protecting the safety of the items inside the shelf during multiple transportation processes.

[0066] When the shelf is subjected to radial force, it will distribute the radial force to the support shaft, which will then press the force onto the jumping ring. The jumping ring is supported by spring pins and springs in various directions. The repeated elastic movement of the springs can counteract the radial jump, and the shelf as a whole is in a "floating" state, protecting the safety of the items inside the shelf during multiple transportation processes.

[0067] When the above-mentioned stable logistics transmission system is used, it not only achieves a sealed connection between the bottle cap and the bottle mouth, but also effectively avoids damage to the contents of the bottle from external impacts during transportation. It can keep the entire shelf in a "floating" state, protecting the safety of the contents of the bottle during multiple transportation processes.

[0068] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A stable logistics transmission system, comprising a plurality of stations (31), a transmission pipeline (32) connecting the stations (31) and a pneumatic drive device (33), wherein the pneumatic drive device (33) comprises an air compressor and a reversing assembly for driving the transmission bottle to be transmitted between the stations (31) through the transmission pipeline (32); The transfer bottle includes a bottle body (1) for containing items, a bottle mouth (2) configured as a tube, and a bottle cap (3), characterized in that: One end of the bottle mouth (2) is connected to the end of the bottle body (1), and the bottle cap (3) is installed on the other end of the bottle mouth (2); The bottle cap (3) has a first flange (301) extending radially outward on one circumference, and the bottle mouth (2) has a first groove (201) for the first flange (301) to be inserted on the corresponding circumference. The bottle cap (3) has a second groove (302) on the other circumference, and the bottle mouth (2) has a second flange (202) extending radially outward on the corresponding circumference and for being inserted into the second groove (302). The first flange portion (301) and the second groove area (302) are spaced apart in the circumferential direction of the bottle cap (3), and the first flange portion (301) and the second flange portion (202) are spaced apart in the axial direction of the bottle cap (3) and the bottle mouth (2). A first mounting hole (9) is provided on the end face of the bottle mouth (2) near the bottle cap (3) along the axial direction. A second mounting hole (10) corresponding to the first mounting hole (9) is provided on the end face of the bottle cap (3) near the bottle mouth (2). A rotating sleeve (11) fixed relative to the bottle cap (3) is installed in the second mounting hole (10). A retaining sleeve (12) fixed relative to the bottle mouth (2) is installed in the first mounting hole (9). A pin (13) passes through the retaining sleeve (12) and the rotating sleeve (11) in sequence. The upper end of the pin (13) is rotatably installed in the rotating sleeve (11), so that the rotating sleeve (11) can rotate around the upper end of the pin (13). The lower end of the pin (13) extending from below the retaining sleeve (12) has a radially outward flange (14). A compressed spring (15) is fitted onto the pin (13), and the upper and lower ends of the spring (15) are in contact with the lower end face of the retaining sleeve (12) and the upper end face of the flange (14) of the pin (13). The upper end of the pin (13) is connected to the rotating sleeve (11) through a retaining ring and a retaining groove, which restricts the pin (13) from moving downward in the axial direction. The retaining sleeve (12) and the rotating sleeve (11) are connected by at least one protrusion (16) and at least two slots (17) into which the protrusion (16) can be inserted. The two side end faces of the protrusion (16) are symmetrically arranged slopes. The slopes are inclined inward in the direction close to the slots (17). The inner surface of the slots (17) is a slope that matches the slope of the protrusion (16). When the bottle cap (3) is in the closed state, the protrusion (16) is fully inserted into one slot (17). When the bottle cap (3) is in the open state, the protrusion (16) is fully inserted into the other slot (17). The two slopes of the protrusion (16) are connected by a plane. A protective sleeve (18) is provided inside the bottle body (1). A side plate (19) is installed at both ends of the protective sleeve (18). The two side plates (19) are connected by a support shaft (20). A shelf (21) is movably fitted on the support shaft (20). An elastic element (22) is fitted at both ends of the support shaft (20) and between the shelf (21) and the side plate (19). Both ends of the support shaft (20) are connected to the side plate (19) through a jumping ring (23). The jumping ring (23) is embedded in the mounting groove (24) on the side plate (19) and can move in the radial direction. The side plate (19) is provided with a number of spring grooves (25) with built-in springs at intervals along the circumference. The spring groove (25) is opened in the radial direction and communicates with the mounting groove (24). One end of a spring pin (30) is embedded in the spring groove (25) and connected to the spring. The other end of the spring pin (30) is in contact with the circumferential surface of the jumping ring (23).

2. The stable logistics transmission system according to claim 1, characterized in that: The first flange portion (301) is disposed opposite to the second groove region (302).

3. The stable logistics transmission system according to claim 1, characterized in that: The number of protrusions (16) and slots (17) are both two, and they are evenly spaced along the circumference.

4. The stable logistics transmission system according to claim 1 or 3, characterized in that: The protrusion (16) is located on the end face of the retaining sleeve (12) near the rotating sleeve (11), and the slot (17) is opened on the end face of the rotating sleeve (11) near the retaining sleeve (12).

5. The stable logistics transmission system according to claim 1, characterized in that: The sheath (18) has an axially through opening for taking items on or off the shelf (21).

6. The stable logistics transmission system according to claim 1, characterized in that: The number of spring grooves (25) is 3 to 8.

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