CN211852439U - Pin shaft with automatic limiting structure - Google Patents
Pin shaft with automatic limiting structure Download PDFInfo
- Publication number
- CN211852439U CN211852439U CN202020413722.0U CN202020413722U CN211852439U CN 211852439 U CN211852439 U CN 211852439U CN 202020413722 U CN202020413722 U CN 202020413722U CN 211852439 U CN211852439 U CN 211852439U
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- round pin
- pin axle
- trapezoidal
- pin shaft
- inner cavity
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Abstract
The utility model provides a round pin axle with automatic limit structure, including the round pin axle body, the positive center department bolt of round pin axle body has the maintenance apron, the top integrated into one piece of round pin axle body has the round pin axle dish, the top integrated into one piece of round pin axle dish has the round pin axle head portion, the horizontal bolt of center department of round pin axle body inner chamber bottom has the skid bar, the center department of round pin axle dish inner chamber inlays and is equipped with first sliding sleeve, the bottom at round pin axle body inner chamber both ends all inlays and is equipped with the second sliding sleeve, the inner chamber of round pin axle body, round pin axle dish and round pin axle head portion all is provided with limit structure. The utility model discloses a structure cooperation of adjusting pole and trapezoidal seat can outwards pass the trapezoidal piece in both sides, and through the cooperation of slide rail and pulley, the stationarity that the trapezoidal piece removed is strengthened, provides the spacing cooperation of elasticity through the pressure spring, then the trapezoidal piece in both sides drives two spacing nose bars in step and outwards removes to can carry out automation spacingly to the both ends of round pin axle body bottom.
Description
Technical Field
The utility model relates to a round pin axle field especially relates to a round pin axle with automatic limit structure.
Background
The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, is mainly used for the hinged position of two parts to form a hinged connection, is usually locked by a cotter pin, and has reliable work and convenient disassembly.
When the user carries out articulated chucking to connecting piece articulated position again, need use the round pin axle, however traditional round pin axle does not possess automatic limit function in the use, can not adjust spacing to the both ends of round pin axle bottom then, easily causes the round pin axle to take place not hard up from articulated position, drops even, reduces the spacing effect of connection of round pin axle then.
Therefore, it is necessary to provide a pin with an automatic limiting structure to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a round pin axle with automatic limit structure has solved traditional round pin axle in the use, does not possess automatic limit function's problem.
For solving the technical problem, the utility model provides a pair of round pin axle with automatic limit structure, including the round pin axle body, the positive center department bolt of round pin axle body has the maintenance apron, the top integrated into one piece of round pin axle body has the round pin axle dish, the top integrated into one piece of round pin axle dish has the round pin axle head portion, the horizontal bolt of center department of round pin axle body inner chamber bottom has the skid bar, the center department of round pin axle dish inner chamber inlays and is equipped with first sliding sleeve, the bottom at round pin axle body inner chamber both ends all inlays and is equipped with the second sliding sleeve, the inner chamber of round pin axle body, round pin axle dish and round pin axle head portion all is provided with limit structure.
Preferably, limit structure includes slide rail, regulation pole, trapezoidal seat, trapezoidal piece, spacing nose bar, pressure spring and pulley, the slide rail has transversely been seted up to the center department of slide rail strip inner chamber, the center department of round pin axle tip inner chamber is provided with the regulation pole with first sliding sleeve sliding connection, the bottom of adjusting the pole runs through round pin axle body and integrated into one piece has trapezoidal seat, the both sides of trapezoidal seat all are provided with trapezoidal piece, the center department in the trapezoidal piece outside transversely has bolted connection with second sliding sleeve sliding connection's spacing nose bar, the surface cover of spacing nose bar inner is equipped with the pressure spring, the outer end of pressure spring is bolted connection with the inner wall of second sliding sleeve and trapezoidal piece respectively, the center department of trapezoidal piece bottom has bolted connection with slide rail sliding connection's pulley.
Preferably, the shape of the trapezoid seat is an isosceles trapezoid, the inclined angle of the inclined edge of the trapezoid seat is 45 degrees, the shape of the trapezoid block is a right-angled trapezoid, and the inclined angle of the inclined edge of the trapezoid block is 45 degrees.
Preferably, the number of the limiting convex rods is two, and the length of each limiting convex rod is at least 3 cm.
Preferably, the two ends of the inner cavity of the pin shaft body are vertically provided with sliding grooves, the inner cavity of each sliding groove is connected with a sliding block in a sliding mode, and one side, far away from the sliding grooves, of each sliding block is bolted to the surface wall of the adjusting rod.
Preferably, the top ends of the adjusting rod and the inner cavity of the end part of the pin shaft are transversely provided with limiting holes, the inner cavity of each limiting hole is transversely inserted with a limiting insertion rod, and the length of each limiting insertion rod is larger than the diameter of the end part of the pin shaft.
Compared with the prior art, the utility model provides a pair of round pin axle with automatic limit structure has following beneficial effect:
the utility model provides a pin shaft with an automatic limiting structure,
1. the utility model discloses a structure cooperation of adjusting pole and trapezoidal seat can outwards pass the trapezoidal piece in both sides, and through the cooperation of slide rail and pulley, the stationarity that the trapezoidal piece of reinforcing removed provides the spacing cooperation of elasticity through the pressure spring, then the trapezoidal piece in both sides drives two spacing nose bars in step and outwards removes to can carry out automation spacingly to the both ends of round pin axle body bottom, prevent that the round pin axle body from taking place not hard up or coming off from hookup location, thereby strengthen the spacing effect of round pin axle body.
2. The utility model discloses a shape of trapezoidal seat sets up to that the inclination of isosceles trapezoid and hypotenuse is 45 and the shape of trapezoidal piece sets up to that the inclination of right trapezoid and hypotenuse is 45, make trapezoidal seat closely insert the laminating on the hypotenuse surface of two trapezoidal pieces, then can carry out even atress to the hypotenuse of two trapezoidal pieces, strengthen the synchronous promotion effect of two trapezoidal pieces, quantity through spacing nose bar is two and length is 3cm at least, can carry on spacingly to the both ends of round pin axle body bottom, through spout and slider, the stationarity that the pole goes up and down is adjusted in the reinforcing, prevent to adjust pole lift in-process and appear crooked, through spacing hole and spacing inserted bar, can insert tightly spacing to the adjusting bar, prevent to adjust the pole atress and appear removing.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a pin shaft with an automatic limiting structure according to the present invention;
FIG. 2 is a cross-sectional view of the structure of the pin body, pin plate and pin end shown in FIG. 1;
fig. 3 is a top view of the pin body and the slide rail bar of fig. 1.
Reference numbers in the figures: 1. a pin shaft body; 2. a pintle disk; 3. the end part of the pin shaft; 4. a slide rail bar; 5. a first sliding sleeve; 6. a second sliding sleeve; 7. a limiting structure; 71. a slide rail; 72. adjusting a rod; 73. a trapezoidal base; 74. a trapezoidal block; 75. a limit convex rod; 76. a pressure spring; 77. a pulley; 8. a chute; 9. a slider; 10. a limiting hole; 11. and a limiting inserted rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a pin with an automatic limiting structure according to the present invention, fig. 2 is a sectional structural diagram of a pin body, a pin disc and a pin end shown in fig. 1, fig. 3 is a top structural diagram of the pin body and a slide rail bar shown in fig. 1, and a pin with an automatic limiting structure comprises a pin body 1, an access cover plate is bolted at the center of the front of the pin body 1, a pin disc 2 is integrally formed at the top of the pin body 1, a pin end 3 is integrally formed at the top of the pin disc 2, a slide rail bar 4 is transversely bolted at the center of the bottom of an inner cavity of the pin body 1, a first sliding sleeve 5 is embedded at the center of an inner cavity of the pin disc 2, a second sliding sleeve 6 is embedded at the bottoms of both ends of the inner cavity of the pin body 1, the inner cavities of the pin shaft body 1, the pin shaft disc 2 and the pin shaft end part 3 are all provided with limiting structures 7.
The limiting structure 7 comprises a sliding rail 71, an adjusting rod 72, a trapezoidal seat 73, a trapezoidal block 74, a limiting convex rod 75, a pressure spring 76 and a pulley 77, the sliding rail 71 is transversely arranged at the center of the inner cavity of the sliding rail bar 4, the adjusting rod 72 which is slidably connected with the first sliding sleeve 5 is arranged at the center of the inner cavity of the end part 3 of the pin shaft, the bottom end of the adjusting rod 72 penetrates through the pin shaft body 1 and is integrally formed with the trapezoidal seat 73, the trapezoidal blocks 74 at two sides can be pushed outwards, the trapezoidal blocks 74 are arranged at two sides of the trapezoidal seat 73, the limiting convex rod 75 which is slidably connected with the second sliding sleeve 6 is transversely bolted at the center of the outer side of the trapezoidal block 74, the pressure spring 76 is sleeved on the surface of the inner end of the limiting convex rod 75, the outer end of the pressure spring 76 is respectively bolted with the inner walls of the second sliding sleeve 6 and the trapezoidal blocks 74, and the pulley 77 which, the stability that reinforcing trapezoidal piece 74 removed, then two spacing protruding poles 75 of both sides trapezoidal piece 74 synchronous drive outwards move to can carry out automatic spacing to the both ends of 1 bottoms of round pin axle body, prevent that round pin axle body 1 from taking place to become flexible or drop from the hookup location.
The shape of trapezoidal seat 73 sets up to isosceles trapezoid, the inclination of trapezoidal seat 73 hypotenuse is 45, the shape of trapezoidal piece 74 sets up to right trapezoid, the inclination of trapezoidal piece 74 hypotenuse is 45, makes trapezoidal seat 73 closely insert the laminating in the hypotenuse surface of two trapezoidal pieces 74, then can carry out even atress to the hypotenuse of two trapezoidal pieces 74, strengthens the synchronous promotion effect of two trapezoidal pieces 74.
The number of the limit protruding rods 75 is two, the length of the limit protruding rods 75 is at least 3cm, and the two ends of the bottom of the pin shaft body 1 can be limited.
The two ends of the inner cavity of the pin shaft body 1 are both vertically provided with sliding grooves 8, the inner cavity of each sliding groove 8 is slidably connected with a sliding block 9, one side, far away from the corresponding sliding groove 8, of each sliding block 9 is bolted to the surface wall of the corresponding adjusting rod 72, the lifting stability of the corresponding adjusting rod 72 is enhanced, and the corresponding adjusting rod 72 is prevented from being inclined in the lifting process.
The top ends of the adjusting rod 72 and the inner cavity of the pin shaft end portion 3 are transversely provided with limiting holes 10, the inner cavity of each limiting hole 10 is transversely inserted with a limiting insertion rod 11, the length of each limiting insertion rod 11 is larger than the diameter of the pin shaft end portion 3, the adjusting rod 72 can be tightly inserted and limited, and the adjusting rod 72 is prevented from moving due to stress.
The utility model provides a pair of the theory of operation of round pin axle with automatic limit structure as follows:
when in use, a user inserts the pin shaft body 1 into the hinged position of the connecting piece in advance, the pin shaft disc 2 can limit and bear the top of the pin shaft body 1, the adjusting rod 72 is manually pressed downwards by the user through the sliding fit of the first sliding sleeve 5, the sliding block 9 slides in the sliding groove 8 to enhance the descending stability of the adjusting rod 72, the adjusting rod 72 drives the trapezoidal seat 73 to be inserted into the bevel edge positions of the two trapezoidal blocks 74, the two trapezoidal blocks 74 are gradually moved downwards along with the gradual downward movement of the trapezoidal seat 73 to be forced to be pushed outwards, the pulley 77 slides in the inner cavity of the sliding rail 71 through the sliding fit of the second sliding sleeve 6 to enhance the moving stability of the trapezoidal blocks 74, the two trapezoidal blocks 74 synchronously drive the two limiting convex rods 75 to move outwards, so that the two pressure springs 76 are forced to be compressed by the two limiting convex rods 75, and then the user manually inserts the limiting inserted rod 11 into the limiting, thereby can carry out spacing chucking to adjusting rod 72 to two spacing protruding poles 75 run through round pin axle body 1 bottom both ends, carry out spacing processing to round pin axle body 1 bottom both ends then.
Compared with the prior art, the utility model provides a pair of round pin axle with automatic limit structure has following beneficial effect:
the utility model discloses an adjust the structure cooperation of pole 72 and trapezoidal seat 73, can outwards pass both sides trapezoidal piece 74, through slide rail 71 and pulley 77's cooperation, reinforcing trapezoidal piece 74 provides the spacing cooperation of elasticity through pressure spring 76, then both sides trapezoidal piece 74 drives two spacing nose bars 75 outwards removal in step to can carry out automation spacingly to the both ends of 1 bottom of round pin axle body, prevent that round pin axle body 1 from taking place not hard up or coming off from hookup location, thereby strengthen the spacing effect of round pin axle body 1.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a round pin axle with automatic limit structure, includes round pin axle body (1), its characterized in that: the hinge pin comprises a hinge pin body (1), and is characterized in that an overhauling cover plate is bolted at the front center of the hinge pin body (1), a hinge pin disc (2) is integrally formed at the top end of the hinge pin body (1), a hinge pin end part (3) is integrally formed at the top end of the hinge pin disc (2), a sliding rail bar (4) is transversely bolted at the center of the bottom of an inner cavity of the hinge pin body (1), a first sliding sleeve (5) is embedded at the center of the inner cavity of the hinge pin disc (2), second sliding sleeves (6) are embedded at the bottoms of two ends of the inner cavity of the hinge pin body (1), and limiting structures (7) are arranged in the inner cavities of the hinge pin body (1), the hinge pin disc (2).
2. The pin shaft with the automatic limit structure according to claim 1, wherein the limit structure (7) comprises a slide rail (71), an adjusting rod (72), a trapezoidal seat (73), a trapezoidal block (74), a limit protruding rod (75), a pressure spring (76) and a pulley (77), the slide rail (71) is transversely arranged at the center of the inner cavity of the slide rail bar (4), the adjusting rod (72) slidably connected with the first sliding sleeve (5) is arranged at the center of the inner cavity of the end portion (3) of the pin shaft, the bottom end of the adjusting rod (72) penetrates through the pin shaft body (1) and is integrally formed with the trapezoidal seat (73), the trapezoidal block (74) is arranged on each of two sides of the trapezoidal seat (73), the limit protruding rod (75) slidably connected with the second sliding sleeve (6) is transversely bolted at the center of the outer side of the trapezoidal block (74), the pressure spring (76) is sleeved on the surface of the inner end of the limit protruding rod (, the outer end of the pressure spring (76) is respectively bolted with the inner walls of the second sliding sleeve (6) and the trapezoidal block (74), and the center of the bottom of the trapezoidal block (74) is bolted with a pulley (77) which is slidably connected with the sliding rail (71).
3. The pin shaft with an automatic limit structure according to claim 2, characterized in that the shape of the trapezoidal seat (73) is set to be an isosceles trapezoid, the inclined angle of the inclined side of the trapezoidal seat (73) is 45 °, the shape of the trapezoidal block (74) is set to be a right trapezoid, and the inclined angle of the inclined side of the trapezoidal block (74) is 45 °.
4. The pin shaft with an automatic limit structure according to claim 2, wherein the number of the limit protruding rods (75) is two, and the length of the limit protruding rods (75) is at least 3 cm.
5. The pin shaft with the automatic limit structure according to claim 1, wherein sliding grooves (8) are vertically formed in both ends of an inner cavity of the pin shaft body (1), a sliding block (9) is slidably connected to the inner cavity of the sliding groove (8), and one side, away from the sliding groove (8), of the sliding block (9) is bolted to a surface wall of the adjusting rod (72).
6. The pin shaft with the automatic limit structure according to claim 2, wherein the top ends of the adjusting rod (72) and the inner cavity of the pin shaft end portion (3) are both transversely provided with limit holes (10), the inner cavity of each limit hole (10) is transversely inserted with a limit inserting rod (11), and the length of each limit inserting rod (11) is greater than the diameter of the pin shaft end portion (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020413722.0U CN211852439U (en) | 2020-03-27 | 2020-03-27 | Pin shaft with automatic limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020413722.0U CN211852439U (en) | 2020-03-27 | 2020-03-27 | Pin shaft with automatic limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211852439U true CN211852439U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020413722.0U Active CN211852439U (en) | 2020-03-27 | 2020-03-27 | Pin shaft with automatic limiting structure |
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| Country | Link |
|---|---|
| CN (1) | CN211852439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787473A (en) * | 2021-09-06 | 2021-12-14 | 安徽江淮汽车集团股份有限公司 | Thin-wall spacer sleeve orientation and post-detection mechanism |
-
2020
- 2020-03-27 CN CN202020413722.0U patent/CN211852439U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787473A (en) * | 2021-09-06 | 2021-12-14 | 安徽江淮汽车集团股份有限公司 | Thin-wall spacer sleeve orientation and post-detection mechanism |
| CN113787473B (en) * | 2021-09-06 | 2022-05-10 | 安徽江淮汽车集团股份有限公司 | Thin-wall spacer sleeve orientation and post-detection mechanism |
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