Rocker mechanism with dust accumulation prevention function
By designing the intake and exhaust passages and diversion channels in the rocker mechanism and using the reverse structure to form convection, the problem of dust accumulation of rocker and internal cables is solved, achieving higher dust removal effect and system stability.
Patent Information
- Application Number
- CN202420628819.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The rocker and internal cables have increased friction due to dust accumulation, which may cause cables to get stuck or affect system stability. Existing solutions such as adding dust erasing devices or direct blowing methods have additional resistance, wear and maintenance requirements.
A rocker mechanism is designed, including an inlet and exhaust passage and a diversion passage. The gas flow direction is divided into a first path and a second path through a reverse resistance structure, and convection is formed through a return member to increase the resistance of the gas flow to the seat direction, thereby enhancing the effect of dust removal.
Effectively prevent dust from accumulating inside the rocker, reduce cable friction, improve system stability, and reduce maintenance needs.
Smart Images
Figure CN222566778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rocker bars, in particular to a rocker bar mechanism with the function of preventing dust accumulation. Background Art
[0002] Joysticks are used as game controllers or motion remote controllers for industrial robots. Some joysticks have complex structures, and a relatively thin cable passes through the axis to achieve some special functions. Generally speaking, one side of the joystick is the external environment, which is often dusty, and the other side often has sensitive devices such as electrical components. Under the action of static electricity, dust will adhere to the surface of the cable. When the cable is pulled back and forth, the dust in the external environment will enter the pipe inside the joystick along with the cable, and even pass through the joystick to accumulate on the surface of the electrical component on the other side of the joystick. Dust accumulation in the pipe inside the joystick will increase the friction of the cable in the pipe, and even cause the cable to get stuck and cannot be pulled. Accumulation on the surface of electrical components will affect system stability.
[0003] At present, one solution is to add a dust removal device at the outlet of the joystick, and the other is to blow the dust off the cable by direct blowing. However, adding a dust removal device will increase the number of joystick parts, increase additional resistance, easily cause cable wear, require regular maintenance, and affect the user experience. The direct blowing method will also increase the number of joystick parts and require a relatively large air pressure and air volume. Utility Model Content
[0004] The utility model aims to provide a rocker mechanism with the function of preventing dust accumulation, so as to solve the problem of dust accumulation on the rocker and internal cables.
[0005] In order to solve the above problems, the utility model provides a rocker mechanism with the function of preventing dust accumulation, the rocker mechanism comprising: a rocker body having a head and a seat, the rocker body being provided with interconnected air intake and exhaust passages and a diverter passage, the rocker body also having a cable passing through the seat, the diverter passage and the exhaust port of the air intake and exhaust passage in sequence and extending to the head; the diverter passage is provided with at least one resisting structure arranged along the gas flow direction, the resisting structure allows the cable to pass through, and the resisting structure is arranged to reflux part of the gas flowing in the diverter passage to increase the resistance of the gas flowing toward the seat.
[0006] Through such an arrangement, the gas passes through the inlet and exhaust channels and is mainly blown out from the exhaust port, preventing dust from accumulating at the exhaust port of the rocker and entering the inside of the rocker body. A small part of the gas enters the diversion channel and encounters relatively large resistance when passing through the resistance structure, so that most of the gas is blown out from the exhaust port, thereby enhancing the dust removal effect and effectively preventing dust from entering the inside of the rocker body through the cable.
[0007] Preferably, the anti-reverse structure includes a diverter component and a reflux component. Along the gas flow direction from the head to the seat, the diverter component is located on the upstream side of the reflux component. The diverter component forms a first path and a second path. The second path allows the cable to pass through. The reflux component is configured to reflux the gas flowing through the first path to form convection with the gas flowing out of the second path, thereby increasing the resistance of the gas flowing toward the seat.
[0008] With such an arrangement, the gas flow direction is divided into a first path and a second path by the diversion mechanism. When the gas along the first path passes through the reflux component, the reflux component changes the gas flow direction of the first path to be opposite to the gas flow direction in the second path, thereby forming convection and further forming turbulence, which is beneficial to blocking the gas from continuing to enter toward the seat of the rocker body, increasing the gas flow at the exhaust port along the intake and exhaust passages, enhancing the dust clearing effect, and further preventing dust from entering the seat through the cable.
[0009] Preferably, there are a plurality of the reversal structures, and the plurality of the reversal structures are sequentially spaced apart in the diversion channel along the gas flow direction.
[0010] Through such an arrangement, by increasing the number of resistance structures, the gas flow velocity entering the downstream resistance structure gradually weakens along the gas flow direction in the diversion channel, which can more effectively prevent gas and dust from continuing to enter the rocker body seat.
[0011] Preferably, the shape of the diverter member and the shape of the reflux member are both tower-shaped, and the cross-section of the diverter member and the cross-section of the reflux member are gradually increased along the direction from the head portion to the seat portion.
[0012] Through such an arrangement, the shape of the diversion component is set to a tower type. When the gas flows through the diversion component, a part of the gas flows along the four sides of the tower structure to the bottom of the diversion component, and a part of the gas passes through the center of the diversion component along the original gas flow direction, thereby realizing gas diversion.
[0013] Preferably, the bottom of the diverter member is provided with at least one bottom through-port connected to the first path, the middle portion of the diverter member is provided with a first middle through-port allowing the cable to pass through and connected to the second path, the middle portion of the return member is provided with a second middle through-port allowing the cable to pass through and connected to the second path, the return member is configured to guide the gas flowing out of the bottom through-port to the first middle through-port, and the first middle through-port is located on the upstream side of the second middle through-port along the gas flow direction from the head portion to the seat portion.
[0014] With such a configuration, the gas passes through the diverter member, and the gas passing through the first path reaches the bottom of the diverter structure along the four sides of the diverter member tower, and then flows from the bottom through the opening on the diverter structure to the bottom of the reflux structure. The gas flow direction of the first path is adjusted through the tower structure of the reflux member, and is opposite to the direction of the gas that reaches the first middle through the second path. The reflux member changes the direction of the airflow of the first path, thereby forming convection with the airflow of the second path. At the same time, the intake and exhaust channels and the diverter channels are arranged along the rod-shaped direction of the rocker body, which is conducive to saving space and better gas flow.
[0015] Preferably, the first middle portion through opening, the second middle portion through opening and the exhaust port of the intake and exhaust passage are arranged in a colinear manner.
[0016] Through such an arrangement, the first middle through port, the second middle through port and the exhaust port are arranged on the same straight line, which facilitates the arrangement of cables in the rocker body, reduces the friction between the cables and the inner wall of the rocker body, avoids wear on the cables, and avoids bending of the cables.
[0017] Preferably, there are a plurality of bottom through openings, and the plurality of bottom through openings are evenly arranged along the circumference of the diverter member.
[0018] Through such an arrangement, multiple bottom through ports are evenly arranged around the diversion component. After the gas passes through the diversion component, the gas passing through the first path can reach the reflux component from the bottom through ports, effectively increasing the gas flow in the first path and forming a better convection effect.
[0019] Preferably, a gathering structure is formed in the intake and exhaust passage near its exhaust port, and the gathering structure gradually shrinks along the exhaust direction.
[0020] Through such an arrangement, a gathering structure is provided near the exhaust port, thereby reducing the flow diameter of the gas and increasing the gas flow rate to the exhaust port. This can increase the gas flow rate on the cable surface, achieve a better blowing effect on the cable surface, and better prevent dust accumulation.
[0021] Preferably, the diversion channel is connected to the position of the intake and exhaust channels having the gathering structure.
[0022] Through such an arrangement, the diversion channel is connected with the gathering structure on the intake and exhaust channels, which is conducive to most of the gas flowing directly from the exhaust port to the outside of the rocker body through the gathering structure, effectively preventing dust from entering the rocker body along the cable, and facilitating the layout of the overall structure.
[0023] Preferably, the exhaust port of the intake and exhaust passage is formed in the head portion, and the number of the intake ports of the intake and exhaust passage is multiple, and the multiple intake ports are arranged along the circumferential direction of the seat portion.
[0024] With such an arrangement, a cable enters the exhaust port from the head of the rocker body, and multiple air inlets blow air from the seat to one exhaust port, thereby increasing the gas flow rate of the exhaust port and making the effect of preventing dust from accumulating and entering the rocker body more obvious.
[0025] In summary, the utility model provides a rocker mechanism with the function of preventing dust accumulation. Through the form of blowing, the gas passes through the air inlet and exhaust channels and is mainly blown out from the exhaust port, thereby solving the problem of dust accumulation in the rocker and internal cables. Most of the gas entering the rocker body is blown out from the exhaust port along the air inlet and exhaust channels, and a small part of the gas enters the diversion channel. When passing through the resistance structure, the diversion component divides the gas flow into a first path and a second path, and guides the gas in the first path in the opposite direction of the second path through the reflux component, forming convection, so that the airflow encounters greater resistance when flowing to the seat through the resistance structure, further strengthening the gas flow at the exhaust port along the air inlet and exhaust channels, thereby effectively preventing dust from accumulating in the rocker body, and also effectively preventing dust from entering the rocker body through the cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a structural schematic diagram of a rocker mechanism with a function of preventing dust accumulation provided by an embodiment of the utility model;
[0027] Figure 2 It is a structural schematic diagram of a diversion channel provided by an embodiment of the utility model.
[0028] List of reference numerals:
[0029] 1000, rocker body; 1001, head; 1002, seat;
[0030] 1100, air inlet and outlet passage; 1110, air inlet; 1120, folding structure; 1130, air outlet;
[0031] 1200, diversion channel; 1210, resistance structure; 1211, diversion component; 1211a, first middle through port; 1211b, bottom through port; 1212, reflux component; 1212a, second middle through port; 1220, first path; 1230, second path. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.
[0033] The technical solution of the utility model is described in detail below with reference to the accompanying drawings. According to an embodiment of the utility model, a rocker mechanism with a function of preventing dust accumulation is provided. The structural schematic diagram of the rocker mechanism is shown in FIG. Figure 1 As shown, the rocker mechanism includes a rocker body 1000 having a head 1001 and a seat 1002, an air inlet and outlet channel 1100, and a diverter channel 1200. The air inlet and outlet channel 1100 includes an air inlet 1110, a folding structure 1120, and an air outlet 1130, and the diverter channel 1200 includes a resistance structure 1210, a first path 1220, and a second path 1230. In the rocker mechanism, a cable is also provided that passes through the seat 1002, the diverter channel 1200, and the air outlet 1130 in sequence and extends to the head 1001. The gas is blown in from the air inlet 1110, and most of the gas is accelerated along the air inlet and exhaust channel 1100 and blown out from the exhaust port 1130 at the retracting structure 1120, so as to prevent dust accumulation in the head 1001, prevent dust from entering the rocker body 1000 through the cable in the exhaust port 1130, and clean the dust in the rocker body 1000; at the same time, another part of the gas enters the diversion channel 1200, and the airflow is divided into a first path 1220 and a second path 1230 by the resistance structure 1210, and the gas in the first path 1220 and the gas in the second path 1230 form convection in the diversion channel 1200, so that the airflow encounters greater resistance when flowing to the seat 1002 through the resistance structure 1210, further enhancing the gas flow at the exhaust port 1130, thereby effectively preventing dust from accumulating in the rocker body 1000, and also effectively preventing dust from entering the rocker body 1000 through the cable.
[0034] See also Figure 1 and Figure 2A resistance structure 1210 is provided at a position of the diverting channel 1200 near the seat 1002. The resistance structure 1210 includes a diverting member 1211 and a return member 1212. In a preferred case, the diverting member 1211 is arranged at the upstream side of the return member 1212. After the gas enters the diverting channel 1200, when it reaches the diverting member 1211, the gas is divided into a first path 1220 and a second path 1230. Further, the shape of the diverting member 1211 and the shape of the return member 1212 are both tower-shaped, and the cross-sections of the diverting member 1211 and the return member 1212 are gradually increased in the direction from the head 1001 to the seat 1002. Further, the bottom of the diverter member 1211 is provided with at least one bottom through-hole 1211b communicating with the first path 1220. In a preferred case, the number of the bottom through-holes 1211b is multiple, so that after the gas passes through the diverter member 1211, the gas entering the first path 1220 reaches the return member 1212 along the multiple bottom through-holes 1211b, thereby increasing the flow rate of the gas after passing through the return member 1212. Further, the middle of the diverter member 1211 is provided with a first middle through-hole 1211a allowing a cable to pass through and communicating with the second path 1230. The middle of the return member 1212 is provided with a second middle through-hole 1212a allowing a cable to pass through and communicating with the second path 1230. In a preferred case, the reflux member 1212 is configured to guide the gas flowing out of the bottom through port 1211b to the first middle through port 1211a, and at this time, the gas passing through the first path 1220 and the gas passing through the second path 1230 form convection at the first middle through port 1211a. It should be noted that the number of the resisting structures 1210 can be multiple, and the multiple resisting structures 1210 are arranged at intervals. Along the gas flow direction in the diversion channel 1200, the gas flow rate entering the downstream resisting structure 1210 gradually decreases, and the gas between each resisting structure 1210 is divided into two flow directions of the first path 1220 and the second path 1230, and convection is formed through the downstream reflux structure 1212, which more effectively prevents gas and dust from continuing to enter the seat 1002. In a preferred case, the first middle through port 1211a, the second middle through port 1212a and the exhaust port 1130 are arranged in a colinear manner, which facilitates the arrangement of cables in the rocker body 1000, reduces the friction between the cables and the inner wall of the rocker body 1000, and avoids wear on the cables.
[0035] In a preferred embodiment, the cable in the rocker body 1000 passes through the seat 1002, the shunt channel 1200 and the exhaust port 1130 and extends to the head 1001. The air inlet 1110 is arranged around the seat 1002 so that the gas flows from the seat 1002 to the head 1001 along the air inlet and exhaust channel 1100. When the gas passes through the retracting structure 1120, a part of the gas enters the shunt channel 1200, and the gas flows from the head 1001 to the seat 1002. At this time, the flow direction of the gas is arranged along the rod-shaped direction of the rocker body 1000, which is conducive to the arrangement of the cable and space saving. Furthermore, a retracting structure 1120 is formed near the exhaust port 1130 in the air inlet and exhaust channel 1100. The retracting structure 1120 gradually shrinks along the exhaust direction. After the gas passes through the retracting structure 1120, the flow diameter begins to shrink, which increases the gas flow rate to the exhaust port 1130, so that the dust accumulation prevention effect is better. In a preferred case, the diversion channel 1200 is connected to the air intake and exhaust channel 1100 at a position with a retracted structure 1120, which is conducive to most of the gas flowing directly from the exhaust port 1130 to the outside of the rocker body 1000 through the retracted structure 1120, effectively preventing dust from entering the rocker body 1000 along the cable.
[0036] In summary, the utility model aims to protect a rocker mechanism with the function of preventing dust accumulation. By blowing air, the gas passes through the air inlet and exhaust channels and is mainly blown out from the exhaust port, thereby solving the problem of dust accumulation in the rocker and internal cables. Most of the gas entering the rocker body is blown out from the exhaust port along the air inlet and exhaust channels, and a small part of the gas enters the diversion channel. When passing through the resistance structure, the diversion component divides the gas flow into a first path and a second path, and guides the gas in the first path in the opposite direction of the second path through the reflux component, forming convection, so that the airflow encounters greater resistance when flowing to the seat through the resistance structure, further strengthening the gas flow at the exhaust port along the air inlet and exhaust channels, thereby effectively preventing dust from accumulating in the rocker body, and also effectively preventing dust from entering the rocker body through the cable.
[0037] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.
Claims
1. A rocker mechanism with the function of preventing dust accumulation, characterized in that: The rocker mechanism comprises a rocker body having a head and a seat, wherein a connected intake and exhaust passage and a diverter passage are formed in the rocker body, and the rocker body further comprises a cable which passes through the seat, the diverter passage and the exhaust port of the intake and exhaust passage in sequence and extends to the head; The diversion channel is provided with at least one resistance structure arranged along the gas flow direction, the resistance structure allows the cable to pass through, and the resistance structure is configured to partially reflux the gas flowing in the diversion channel to increase the resistance of the gas flowing toward the seat.
2. The rocker mechanism according to claim 1, characterized in that: The anti-reversal structure includes a diverter component and a reflux component. Along the gas flow direction from the head to the seat, the diverter component is located on the upstream side of the reflux component. The diverter component forms a first path and a second path. The second path allows the cable to pass through. The reflux component is configured to reflux the gas flowing through the first path to form convection with the gas flowing out of the second path, thereby increasing the resistance of the gas flowing toward the seat.
3. The rocker mechanism according to claim 2, characterized in that: There are multiple resistance structures, and the multiple resistance structures are sequentially spaced apart in the flow diversion channel along the gas flow direction.
4. The rocker mechanism according to claim 2, characterized in that: The shapes of the flow dividing member and the flow returning member are both tower-shaped, and the cross-sections of the flow dividing member and the flow returning member are gradually increased in a direction from the head portion to the seat portion.
5. The rocker mechanism according to claim 2, characterized in that: The bottom of the diverter member is provided with at least one bottom through-port connected to the first path, the middle of the diverter member is provided with a first middle through-port allowing the cable to pass through and connected to the second path, the middle of the return member is provided with a second middle through-port allowing the cable to pass through and connected to the second path, the return member is configured to guide the gas flowing out of the bottom through-port to the first middle through-port, and the first middle through-port is located on the upstream side of the second middle through-port along the gas flow direction from the head to the seat.
6. The rocker mechanism according to claim 5, characterized in that: The first middle through opening, the second middle through opening and the exhaust port of the intake and exhaust passage are arranged on the same line.
7. The rocker mechanism according to claim 5, characterized in that: The number of the bottom through openings is plural, and the plurality of bottom through openings are evenly arranged along the circumferential direction of the flow dividing component.
8. The rocker mechanism according to claim 1, characterized in that: A gathering structure is formed in the intake and exhaust passage near the exhaust port thereof, and the gathering structure gradually contracts along the exhaust direction.
9. The rocker mechanism according to claim 8, characterized in that: The diverter channel is in communication with a position of the intake and exhaust channel having the gathered structure.
10. The rocker mechanism according to any one of claims 1 to 9, characterized in that: The exhaust port of the intake and exhaust passage is formed in the head portion, and the number of the intake ports of the intake and exhaust passage is plural, and the plural intake ports are arranged along the circumferential direction of the seat portion.