Gastrointestinal decompression device for digestive department
By designing a support clamp and an engaging mechanism, using a worm and a threaded barrel to adjust the distance of the support clamp, and cooperating with a limit plate and a fixing ring to fix the gastric tube, the problems of operational inconvenience and patient discomfort during gastric tube insertion are solved, and convenient gastric tube insertion and stable decompression operation are achieved.
Patent Information
- Application Number
- CN202510474471.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2025-09-05
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the prior art, when a gastric tube is inserted into a patient's stomach through the patient's mouth, there are inconveniences in operation and discomfort to the patient, and it is difficult to control the insertion process.
A gastrointestinal decompression device for the gastroenterology department is designed, which includes a support clamp and a bite mechanism. By setting a placement groove and a limit groove on the support clamp, the distance of the support clamp is adjusted by using a worm and a threaded cylinder, and a sliding shaft and a sleeve are equipped for stable sliding. The gastric tube is fixed with a limit plate and a fixing ring to achieve stable expansion of the oral cavity and stable limitation of the gastric tube.
It can conveniently open the patient's mouth, facilitate the insertion of the gastric tube, reduce the difficulty of operation, improve the patient's comfort, adapt to gastric tubes of different thicknesses, stably fix the position of the gastric tube, and reduce the discomfort caused by shaking.
Smart Images

Figure CN120586178A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the field of gastroenterology medical instruments, in particular to a gastrointestinal decompression device for the gastroenterology department. Background Art
[0002] Gastrointestinal decompression, commonly known as gastrointestinal decompression, is a medical procedure designed to relieve pressure in the gastrointestinal tract and promote its recovery by removing gas and fluid from it. Gastrointestinal decompression is based on the principle of vacuum suction, which is used to remove gas and fluid from the gastrointestinal tract through a nasogastric tube or other device. During the specific operation, the doctor will insert a flexible plastic tube (gastric tube) through the patient's nose or mouth and connect it to a vacuum suction device to suck out the accumulation of gastrointestinal tract.
[0003] However, when the gastric tube is inserted into the patient's stomach through the patient's mouth, it is difficult to control because the patient's mouth is open for a long time, and different patients have different degrees of mouth opening, resulting in inconvenience in the insertion and fixation of the gastric tube during the process of inserting the gastric tube into the patient's stomach through the patient's mouth, causing severe discomfort to the patient during the gastrointestinal decompression operation.
[0004] Therefore, those skilled in the art have proposed a gastrointestinal decompression device for the gastroenterology department to solve the problems raised in the background art. Summary of the Invention
[0005] In order to solve the above technical problems, the present invention provides a gastrointestinal decompression device for the gastroenterology department to solve the problem in the prior art that a gastric tube is inserted into the patient's stomach through the patient's mouth, which is inconvenient to operate.
[0006] A gastrointestinal decompression device for the gastroenterology department includes: a support clamp 1 and a support clamp 2, which are used to support the oral cavity of a patient undergoing gastrointestinal decompression; an occlusal mechanism, which is provided on the support clamp 1 and the support clamp 2 and is used for the patient's teeth to occlude; an adjustment mechanism, which is provided between the support clamp 1 and the support clamp 2 and is used to adjust the distance between the support clamp 1 and the support clamp 2; and a receiving mechanism, which is provided on the inner wall of the support clamp 2 and is used to limit and fix the gastric tube.
[0007] Preferably, the engaging mechanism comprises a placement groove provided on the side walls of the support clamp 1 and the support clamp 2, and a limiting groove is provided at the middle position of the inner wall of the placement groove;
[0008] By providing support clamp 1 and support clamp 2, patients who need gastrointestinal decompression can limit the upper lip and lower lip of the oral cavity on support clamp 1 and support clamp 2 respectively, and placement grooves are provided on the side walls of support clamp 1 and support clamp 2, so that when the patient bites on support clamp 1 and support clamp 2, the lips and teeth can be placed in the placement grooves, and limiting grooves are provided inside the placement grooves, so that the patient's teeth can be placed in the limiting grooves, so as to facilitate the limited placement of support clamp 1 and support clamp 2 in the patient's oral cavity, so that support clamp 1 and support clamp 2 can be stably limited and placed.
[0009] Preferably, the adjustment mechanism includes a threaded barrel fixedly arranged on one side of the inner wall of the second support clamp, a worm is rotatably arranged on one side of the inner wall of the placement groove; and the worm is screwed into the inside of the threaded barrel.
[0010] Preferably, the adjustment mechanism also includes a connecting frame fixedly arranged on the inner wall of the placement groove at the side of the worm, and the placement groove is fixedly provided with a connecting cylinder through the connecting frame, and a worm wheel is rotatably arranged in the connecting cylinder; and the worm wheel and the worm are screwed together, and a cross groove is opened on the top of the worm wheel.
[0011] Preferably, the adjustment mechanism further comprises a sleeve tube fixedly provided on the inner wall of the second support clamp away from the threaded tube, a sliding shaft is fixedly provided on the inner wall of the placement groove away from the worm, and the sliding shaft is slidably provided inside the sleeve tube;
[0012] The screw threaded cylinder is fixedly connected to one side of the inner wall of the support clamp 2, and a worm is rotatably connected to the corresponding position of the inner wall of the support clamp 1, and the worm is screwed and connected to the inside of the screw threaded cylinder, so that after the patient's mouth bites the support clamp 1 and the support clamp 2, the connection length between the worm and the screw threaded cylinder can be screwed, so as to adjust the distance between the support clamp 1 and the support clamp 2, thereby facilitating the support and opening of the patient's oral cavity through the support clamp 1 and the support clamp 2, and facilitating the insertion of the gastric tube. At the same time, a connecting frame is fixedly connected to the inner wall of the support clamp 1 at the side of the worm, so that the support clamp 1 is fixedly connected to the connecting cylinder at the side of the worm through the connecting frame, and A worm gear is rotatably connected inside the connecting cylinder, and the worm gear and the outer wall of the worm are meshed with each other, so that the worm gear rotates inside the connecting cylinder, which can drive the worm gear to rotate, thereby achieving the purpose of the worm gear driving the support clamp 1 and the support clamp 2 to adjust the distance. At the same time, a cross groove is provided on the top of the worm gear, so that when the worm gear is rotated and adjusted, it can be driven to rotate through the cross groove in conjunction with the rotating tool, and the worm gear can be prevented from rotating due to accidental contact. There is self-locking thread between the worm gear and the worm gear. When the worm gear does not rotate, the worm gear and the threaded cylinder do not rotate, so that the support clamp 1 and the support clamp 2 can be stably supported and used after adjustment.
[0013] Preferably, the receiving mechanism includes two receiving rods symmetrically fixedly arranged on the inner wall of the second support clamp, and the inner wall of the first support clamp is symmetrically provided with two receiving holes; and the receiving rods can be inserted into the receiving holes.
[0014] Preferably, the receiving mechanism further comprises a connecting sleeve slidably arranged on the receiving rod, a limiting plate is fixedly arranged between the two connecting sleeves, and a conducting hole is opened on the limiting plate; a fixing bolt is screwed on the side wall of the connecting sleeve.
[0015] Preferably, the receiving mechanism further comprises a fixing ring which is engaged with the limiting plate through the conducting hole, the fixing ring being fixedly provided with a clamping ring, and the inner wall of the fixing ring being fixedly provided with a plurality of damping protrusions; a clamping groove is provided on the top of the limiting plate at the side of the conducting hole;
[0016] By symmetrically fixing two supporting rods on the inner wall of support clamp 2, and symmetrically opening two supporting holes at corresponding positions on the inner wall of support clamp 1, when the distance between support clamp 1 and support clamp 2 is too close, the supporting rod can be inserted into the inside of the supporting hole, so that the supporting rod will not affect the adjustment between support clamp 1 and support clamp 2 during use. At the same time, a connecting sleeve is slidably connected to the supporting rod, so that a limit plate is fixedly connected between the two connecting sleeves. The limit plate can be adjusted to its use position on the two supporting rods through the two connecting sleeves, and a fixing bolt is screwed on the outer wall of the connecting sleeve, so that after the use position of the limit plate is adjusted, the use position of the support clamp 1 can be determined by the fixing bolt, so as to facilitate the position adjustment of the limit plate.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] 1. The present invention provides placement grooves and limit grooves on the side walls of support clip 1 and support clip 2, so that the patient can bite support clip 1 and support clip 2 through the placement grooves and limit grooves, and adjust the support clip 1 and support clip 2's expansion distance between support clip 1 and support clip 2 by a worm and a threaded cylinder between support clip 1 and support clip 2, and then cooperate with the sliding shaft and the sleeve tube for stable sliding, so as to facilitate the convenient expansion of the patient's mouth, thereby facilitating the insertion of a gastric tube through the patient's mouth into the patient's stomach for decompression treatment.
[0019] 2. The present invention provides a limit plate between the inner walls of the support clamp 1 and the support clamp 2, and a fixed ring is engaged with the limit plate to enable the limit plate to adjust the insertion position of the gastric tube in the patient's mouth. The fixed ring can limit the use of gastric tubes of different thicknesses, thereby facilitating the stable limitation of the gastric tube in the patient's mouth for decompression operation, thereby achieving the purpose of facilitating decompression operation on the patient's stomach. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is an overall structural diagram of the gastric tube fixing device of the present invention;
[0021] Figure 2 This is a diagram of the support frame limiting structure of the present invention;
[0022] Figure 3 This is a diagram of the connection structure of the gastric tube limiting plate of the present invention;
[0023] Figure 4 A diagram showing the connection structure of the worm and the worm wheel of the present invention;
[0024] Figure 5 This is a diagram showing the structure of the limiting plate of the present invention;
[0025] Figure 6 This is a diagram of the fixing ring connection structure of the present invention.
[0026] In the picture:
[0027] 1. Support clamp 1; 2. Placement groove; 3. Worm; 4. Threaded cylinder; 5. Support clamp 2; 6. Socket cylinder; 7. Sliding shaft; 8. Receiver rod; 9. Receiver hole; 10. Limit plate; 11. Fixing ring; 12. Limiting groove; 13. Conducting hole; 14. Connecting sleeve; 15. Fixing bolt; 16. Connecting cylinder; 17. Connecting frame; 18. Cross groove; 19. Worm gear; 20. Snap-in groove; 21. Damping bump; 22. Snap-in ring. DETAILED DESCRIPTION
[0028] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.
[0029] Example 1:
[0030] As attached Figure 1 To the attached Figure 6 As shown:
[0031] The present invention provides a gastrointestinal decompression device for a gastroenterology department, comprising: a support clip 1 and a support clip 5, used for supporting the oral cavity of a patient undergoing gastrointestinal decompression; an occlusal mechanism provided on the support clip 1 and the support clip 5, used for occluding the patient's teeth; an adjustment mechanism provided between the support clip 1 and the support clip 5, used for adjusting the distance between the support clip 1 and the support clip 5; and a receiving mechanism provided on the inner wall of the support clip 5, used for limiting and fixing a gastric tube.
[0032] By providing a placement groove 2 and a limiting groove 12 on the side walls of the support clip 1 and the support clip 2 5, it is convenient for the patient to bite the support clip 1 and the support clip 2 5 through the placement groove 2 and the limiting groove 12, and the support clip 1 and the support clip 2 5 are adjusted by the worm 3 and the threaded cylinder 4 between the support clip 1 and the support clip 2. Then, the sliding shaft 7 and the sleeve tube 6 are cooperated to slide stably, so as to facilitate the convenient expansion of the patient's mouth, thereby facilitating the insertion of a gastric tube through the patient's mouth into the patient's stomach for decompression treatment;
[0033] At the same time, a limiting plate 10 is provided between the inner walls of the support clamp 1 and the support clamp 2 5, and a fixing ring 11 is engaged and limited on the limiting plate 10, so that the limiting plate 10 can adjust the insertion position of the gastric tube in the patient's mouth, and the fixing ring 11 can limit the use of gastric tubes of different thicknesses, so as to facilitate the stable limitation of the gastric tube in the patient's mouth for decompression operation, thereby achieving the purpose of facilitating decompression operation on the patient's stomach.
[0034] refer to Figure 1 and Figure 2 The engaging mechanism includes a supporting clamp 1, a supporting clamp 2 5, a placement slot 2 and a limiting slot 12;
[0035] By providing support clamp 1 and support clamp 2 5, patients who need gastrointestinal decompression can limit the upper lip and lower lip of the oral cavity on support clamp 1 and support clamp 2 5 respectively, and placement grooves 2 are provided on the side walls of support clamp 1 and support clamp 2 5, so that when the patient bites on support clamp 1 and support clamp 2 5, the lips and teeth can be placed in the placement grooves 2, and limiting grooves 12 are provided inside the placement grooves 2, so that the patient's teeth can be placed in the limiting grooves 12, so as to facilitate the limiting placement of support clamp 1 and support clamp 2 5 in the patient's oral cavity, so that support clamp 1 1 and support clamp 2 5 can be stably limited and placed.
[0036] Example 2:
[0037] refer to Figure 1 、 Figure 2 and Figure 3 , the adjustment mechanism includes a worm 3, a threaded cylinder 4, a sleeve cylinder 6 and a sliding shaft 7;
[0038] A threaded barrel 4 is fixedly connected to one side of the inner wall of the second support clamp 5, and a worm 3 is rotatably connected to the corresponding position on the inner wall of the first support clamp 1, and the worm 3 is configured to be screwed into the inside of the threaded barrel 4. After the patient's mouth is engaged with the first support clamp 1 and the second support clamp 5, the connection length between the worm 3 and the threaded barrel 4 can be screwed in, thereby adjusting the distance between the first support clamp 1 and the second support clamp 5, thereby facilitating the support and opening of the patient's oral cavity by the first support clamp 1 and the second support clamp 5, and facilitating the gastric tube insertion operation.
[0039] At the same time, a sleeve tube 6 is fixedly connected to the side of the inner wall of the support clamp 2 5 facing away from the threaded tube 4, and a sliding shaft 7 is fixedly connected to the side of the inner wall of the support clamp 1 facing away from the worm 3, and the sliding shaft 7 is provided to be slidably connected to the inside of the sleeve tube 6, so that the worm 3 and the threaded tube 4 are screwed together to adjust the support clamp 1 and the support clamp 2 5. When supporting the patient's oral area, the sliding adjustment structure of the sleeve tube 6 and the sliding shaft 7 enables stable sliding adjustment between the support clamp 1 and the support clamp 2 5, thereby facilitating convenient and stable operation between the support clamp 1 and the support clamp 2 5.
[0040] refer to Figure 3 and Figure 4 The worm gear 19 is connected to the outer wall of the worm 3 so that the worm gear 19 can be rotated in the inner wall of the worm 3 so as to drive the worm 3 to rotate. In this way, the worm gear 19 can drive the worm 3 to rotate and adjust the distance between the support clamp 1 and the support clamp 2 5. At the same time, a cross groove 18 is provided on the top of the worm gear 19 so that the worm gear 19 can be driven to rotate by the rotating tool through the cross groove 18 when the rotation is adjusted, and the worm gear 19 can be prevented from being rotated by being accidentally touched. The worm gear 19 and the worm 3 have a self-locking thread. When the worm gear 19 does not rotate, the worm 3 and the threaded barrel 4 do not rotate. This makes it easy for the support clamp 1 and the support clamp 2 5 to be stably supported after adjustment.
[0041] Example 3:
[0042] refer to Figure 3 、 Figure 4 and Figure 5 , the receiving mechanism includes a receiving rod 8, a limiting plate 10 and a fixing ring 11;
[0043] By symmetrically fixing two receiving rods 8 on the inner wall of the second support clip 5, and symmetrically opening two receiving holes 9 at corresponding positions on the inner wall of the first support clip 1, when the distance between the first support clip 1 and the second support clip 5 is adjusted, when the distance between the first support clip 1 and the second support clip 5 is too close, the receiving rod 8 can be inserted into the receiving hole 9, so that the receiving rod 8 will not affect the adjustment between the first support clip 1 and the second support clip 5 during use;
[0044] At the same time, a connecting sleeve 14 is slidably connected to the receiving rod 8, so that the limit plate 10 is fixedly connected between the two connecting sleeves 14. The limit plate 10 can be adjusted to the use position on the two receiving rods 8 through the two connecting sleeves 14, and a fixing bolt 15 is screwed and connected to the outer wall of the connecting sleeve 14. After the use position of the limit plate 10 is adjusted, the use position of the support clamp 1 can be determined by the fixing bolt 15, thereby facilitating the position adjustment of the limit plate 10.
[0045] Secondly, a conduction hole 13 is provided on the limiting plate 10, so that the gastric tube can be easily inserted into the patient's stomach through the conduction hole 13, and a clamping groove 20 is provided on the top of the limiting plate 10 at the side of the conduction hole 13, so that the limiting plate 10 can be easily connected to the fixing ring 11 through the conduction hole 13 and the clamping groove 20, and a clamping ring 22 is fixedly connected to the fixing ring 11, and the clamping ring 22 can be correspondingly clamped in the clamping groove 20, so that the fixing ring 11 can be stably limited and clamped on the limiting plate 10. In addition, the inner wall of the fixing ring 11 is fixed. Several damping protrusions 21 are fixedly connected in a ring shape, so that when the gastric tube is inserted into the patient's stomach through the conduction hole 13, it needs to pass through the inside of the fixing ring 11, and the damping protrusions 21 inside the fixing ring 11 can limit and damp the gastric tube, so as to facilitate the stable placement and use of the gastric tube and avoid discomfort to the patient due to excessive shaking of the gastric tube. The size of the damping protrusions 21 in the fixing ring 11 can be adjusted according to the use of the gastric tube by replacing the fixing ring 11 and the damping protrusions 21 of the corresponding size, so as to adapt to the use of gastric tubes of various specifications and thicknesses.
[0046] Working principle: By providing support clip 1 and support clip 2 5, patients who need gastrointestinal decompression can limit the upper lip and lower lip of the oral cavity on support clip 1 and support clip 2 5 respectively, and the side walls of support clip 1 and support clip 2 5 are provided with placement grooves 2, so that when the patient bites on support clip 1 and support clip 2 5, the lips and teeth can be placed in the placement grooves 2, and a limiting groove 12 is provided inside the placement groove 2, so that the patient's teeth can be placed in the limiting groove 12, so as to facilitate the support clip 1 and The support clip 2 5 is limitedly placed in the patient's oral cavity, so that the support clip 1 and the support clip 2 5 can be stably limited and placed. At the same time, a threaded barrel 4 is fixedly connected to one side of the inner wall of the support clip 2 5, and a worm 3 is rotatably connected at a corresponding position on one side of the inner wall of the support clip 1, and the worm 3 is configured to be screwed into the inside of the threaded barrel 4, so that after the patient's mouth is bitten on the support clip 1 and the support clip 2 5, the connection length between the worm 3 and the threaded barrel 4 can be screwed, thereby achieving the adjustment of the distance between the support clip 1 and the support clip 2 5. Thereby, it is convenient to support and open the patient's oral cavity through the support clip 1 and the support clip 2 5, and it is convenient for the gastric tube insertion operation. Secondly, the inner wall of the support clip 1 is fixedly connected to the connecting frame 17 at the side of the worm 3, so that the support clip 1 is fixedly connected to the connecting cylinder 16 at the side of the worm 3 through the connecting frame 17, and the worm gear 19 is rotatably connected to the inside of the connecting cylinder 16, and the worm gear 19 is meshed with the outer wall of the worm 3, so that the worm gear 19 rotates in the connecting cylinder 16, which can drive the worm 3 to rotate, thereby achieving the worm gear. 19 can drive the support clamp 1 and the support clamp 2 5 to adjust the distance. At the same time, a cross groove 18 is provided on the top of the worm gear 19, so that when the worm gear 19 is rotated and adjusted, it can be driven to rotate through the cross groove 18 in conjunction with the rotating tool, and can prevent the worm gear 19 from being accidentally touched and rotated. There is a self-locking thread between the worm gear 19 and the worm 3. When the worm gear 19 does not rotate, the worm 3 and the threaded barrel 4 do not rotate, so that the support clamp 1 and the support clamp 2 5 can be stably supported and used after adjustment.
[0047] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
[0048] A few final points should be made:
[0049] First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.
[0050] Secondly: The drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. The same embodiment and different embodiments of the present invention may be combined with each other without conflict.
[0051] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.
[0052] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A gastrointestinal decompression device for gastroenterology, characterized in that: include: Support clip 1 (1) and support clip 2 (5) are used for oral support of patients undergoing gastrointestinal decompression; The occlusal mechanism is provided on the support clamp 1 (1) and the support clamp 2 (5) and is used for occluding the patient's teeth; An adjustment mechanism is provided between the support clamp 1 (1) and the support clamp 2 (5) and is used for adjusting the distance between the support clamp 1 (1) and the support clamp 2 (5); The receiving mechanism is arranged on the inner wall of the second supporting clamp (5) and is used for limiting and fixing the gastric tube.
2. A gastrointestinal decompression device according to claim 1, characterized in that: The engaging mechanism comprises a placement groove (2) provided on the side walls of the first support clamp (1) and the second support clamp (5), and a limiting groove (12) is provided at the middle position of the inner wall of the placement groove (2).
3. A gastrointestinal decompression device according to claim 2, characterized in that: The adjustment mechanism comprises a threaded cylinder (4) fixedly arranged on one side of the inner wall of the second supporting clamp (5), and a worm (3) rotatably arranged on one side of the inner wall of the placement groove (2); The worm (3) is screwed into the interior of the threaded barrel (4).
4. A gastrointestinal decompression device according to claim 3, characterized in that: The adjustment mechanism further comprises a connecting frame (17) fixedly arranged on the inner wall of the placement groove (2) and located on the side of the worm (3); the placement groove (2) is fixedly provided with a connecting cylinder (16) via the connecting frame (17); a worm gear (19) is rotatably provided in the connecting cylinder (16); The worm wheel (19) and the worm (3) are screwed together, and a cross groove (18) is provided on the top of the worm wheel (19).
5. A gastrointestinal decompression device according to claim 4, characterized in that: The adjustment mechanism further comprises a sleeve tube (6) fixedly arranged on the inner wall of the second support clamp (5) away from the threaded tube (4), and a sliding shaft (7) fixedly arranged on the inner wall of the placement groove (2) away from the worm (3); The sliding shaft (7) is slidably arranged inside the sleeve (6).
6. The gastrointestinal decompression device according to claim 5, characterized in that: The receiving mechanism comprises two receiving rods (8) symmetrically fixedly arranged on the inner wall of the second supporting clamp (5), and the inner wall of the first supporting clamp (1) is symmetrically provided with two receiving holes (9); Furthermore, the receiving rod (8) can be inserted into the receiving hole (9).
7. A gastrointestinal decompression device according to claim 6, characterized in that: The receiving mechanism further comprises a connecting sleeve (14) slidably arranged on the receiving rod (8), a limiting plate (10) is fixedly arranged between the two connecting sleeves (14), and a conducting hole (13) is opened on the limiting plate (10); A fixing bolt (15) is screwed onto the side wall of the connecting sleeve (14).
8. The gastrointestinal decompression device according to claim 7, characterized in that: The receiving mechanism further comprises a fixing ring (11) which is engaged with the limiting plate (10) through the conducting hole (13), a clamping ring (22) being fixedly provided on the fixing ring (11), and a plurality of damping protrusions (21) being fixedly provided on the inner wall of the fixing ring (11); A clamping groove (20) is provided on the top of the limiting plate (10) at the side of the conducting hole (13).