CN220227416U - Quick grafting and pine move back formula multistage connecting rod - Google Patents
Quick grafting and pine move back formula multistage connecting rod Download PDFInfo
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- CN220227416U CN220227416U CN202321871591.0U CN202321871591U CN220227416U CN 220227416 U CN220227416 U CN 220227416U CN 202321871591 U CN202321871591 U CN 202321871591U CN 220227416 U CN220227416 U CN 220227416U
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- 235000008331 Pinus X rigitaeda Nutrition 0.000 title claims description 4
- 235000011613 Pinus brutia Nutrition 0.000 title claims description 4
- 241000018646 Pinus brutia Species 0.000 title claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a quick plugging and loosening type multistage connecting rod which comprises a connecting rod body, wherein the connecting rod body is formed by mutually splicing a plurality of splicing rods, two ends of each splicing rod are respectively plugged with a first plugging unit and a second plugging unit, the first plugging units and the second plugging units of two adjacent splicing rods are connected in a plugging mode, a push rod is arranged in each first plugging unit, a spiral opening is formed in the arc surface of each first plugging unit, a bayonet is formed in the inner end of each spiral opening, a limiting pin is arranged at the end part of each second plugging unit, a spring is arranged in each second plugging unit, an end cover is arranged in each second plugging unit, the end cover is connected with the corresponding limiting pin and the corresponding spring, the push rod abuts against the corresponding end cover, and the limiting pin is clamped in the bayonet through the corresponding spiral opening. The ejector rod is arranged in the first plug-in unit, and the second plug-in unit is inserted into the first plug-in unit to rotate.
Description
Technical Field
The utility model relates to the technical field of connecting rods, in particular to a quick-plugging and loosening type multistage connecting rod.
Background
Many industries now need to use connecting rods to support or connect some objects, and even long connecting rods are needed to support or connect some objects, but long connecting rods are inconvenient to move and transport. Therefore, connecting rods capable of being spliced are available in the market, and are spliced one by one in a threaded connection, a bolt connection or a clamp connection mode. However, the connecting rods in the splicing mode can cause the connecting rods to be very troublesome to splice, so that a plurality of connecting rods convenient and quick to splice appear on the market at present.
For example, chinese patent publication No. CN113833427B discloses a quick plug-in push rod for coal mine drilling, at least a first plug-in unit and a second plug-in unit are spliced along the axial direction; at least one end of the first plug-in unit is provided with a male connector, and the other end of the first plug-in unit is spliced with one end of the second plug-in unit; specifically, radial splicing is performed through a dovetail groove structure, and a limiting body is arranged at the splicing position. The push rods are quickly inserted and axially and radially firmly connected without falling off, so that the quick connection of each inserted push rod in the whole drilling hole is finally realized, and the purposes of time saving, labor saving and firm connection are achieved; the quick plug-in push rod has strong overall shock resistance, excellent, stable and reliable connection performance, and no phenomena of rod detachment, push rod connection failure and the like.
The scheme that above-mentioned patent provided can make grafting fast between the connecting rod, but can appear the hookup location of connecting rod and dismantle relatively trouble during the in-service use, is unfavorable for the quick concatenation and the split of connecting rod.
Disclosure of Invention
The utility model aims to provide a quick plugging and loosening type multistage connecting rod, which aims to solve the problems that the disassembly of the connecting position of the conventional plugging type connecting rod is relatively troublesome and the connecting rod is not beneficial to quick splicing and disassembly.
The utility model is realized in the following way:
the utility model provides a quick grafting and pine move back formula multistage connecting rod, includes the connecting rod body, the connecting rod body is spliced each other by a plurality of splice bars and forms, splice bar both ends are pegged graft respectively and are had first grafting unit and second grafting unit, adjacent two first grafting unit and the second grafting unit grafting of splice bar link to each other, first grafting unit inside is equipped with the ejector pin, just first grafting unit arc surface is equipped with the screw mouth, the screw mouth inner is equipped with the bayonet socket, second grafting unit tip is equipped with the spacer pin, the inside spring that is equipped with of second grafting unit, the inside one end that is close to outside of second grafting unit is equipped with the end cover, the end cover middle part is equipped with the bar hole, the spacer pin passes the bar hole, the inboard one end of end cover supports on the spring.
Preferably, grooves are formed in two ends of the splicing rod, and the grooves in two ends of the splicing rod are matched with the first splicing unit and the second splicing unit respectively.
Preferably, a first connecting head is arranged at one end of the first plug-in unit, facing the splicing rod, a plurality of first annular grooves are formed in the arc surface of the first connecting head, the first plug-in unit is hollow, and the diameter of the top rod is smaller than the inner diameter of the first plug-in unit.
Preferably, the second grafting unit is equipped with the second connector towards the one end of splicing rod, the second connector arc surface is equipped with a plurality of second ring channels, the inside cavity of second grafting unit, just the external diameter of second grafting unit is less than the internal diameter of first grafting unit, the internal diameter of second grafting unit is greater than the diameter of top pole.
Preferably, the second plugging unit is fixedly connected with the limiting pin, the length of the limiting pin is larger than the diameter of the second plugging unit, and the end cover is in sliding connection with the second plugging unit.
Preferably, the first plug-in unit and the second plug-in unit are connected with the splicing rod through threads.
Preferably, the first inserting unit, the second inserting unit and the splicing rod are bonded together through glue.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the inside ejector pin that is equipped with of first grafting unit, the inside spring that is equipped with of second grafting unit, spacer pin and end cover, the bar hole cover of end cover is established in the spacer pin outside for the end cover can stretch out and draw back the spring and exert pressure, and the second grafting unit inserts first grafting unit internal rotation, loosens the hand after the second grafting unit rotates suitable angle, can make the end cover reset under the effect of spring just can make the second grafting unit carry the spacer pin block in the bayonet socket inboard steadily, thereby reaches the purpose that splice pole was spliced each other together. When the connecting rod is detached, only the two splicing rods are required to apply force to the connecting end, the ejector rod applies pressure to the end cover, the end cover applies pressure to the spring, the spring is retracted, the second inserting unit can move to the front of the bayonet and separate from the bayonet, then the two splicing rods can be separated by reverse rotation, and the splicing rods of the connecting rod with the structure can be quickly inserted or detached and loosened.
2. The first plug-in unit, the second plug-in unit and the splicing rod can be disassembled and assembled, so that the first plug-in unit or the second plug-in unit can be replaced directly when damaged.
Drawings
FIG. 1 is a front view of a splice bar of the present utility model;
FIG. 2 is a schematic diagram of the first plug unit and the second plug unit of the present utility model mated;
FIG. 3 is a cross-sectional view of a connecting portion of adjacent splice bars of the present utility model;
FIG. 4 is a front view and a B-B side cross-sectional view of a first docking unit of the present utility model;
FIG. 5 is a front view and A-A cross-sectional view of a second plug unit of the present utility model;
fig. 6 is a schematic view of the structure of the ejector pin of the present utility model in combination with the end cap, the stop pin and the spring.
In the figure: 1. splicing the connecting rods; 2. a first plug-in unit; 21. a first connector; 22. a first annular groove; 23. a screw port; 24. a push rod; 25. a bayonet; 3. a second plug-in unit; 31. a second connector; 32. a second annular groove; 33. a limiting pin; 34. a spring; 35. an end cap; 36. and a strip-shaped hole.
The specific embodiment is as follows:
in the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The following is further described with reference to the accompanying drawings and specific examples:
example 1
As shown in fig. 1, 2, 3, 4 and 5, a quick plugging and loosening type multistage connecting rod comprises a connecting rod body, wherein the connecting rod body is formed by mutually splicing a plurality of splicing rods 1, and the structure is convenient to splice the connecting rod body, so that the length of the connecting rod body can be conveniently prolonged according to use requirements. The two ends of the splicing rod 1 are respectively spliced with a first splicing unit 2 and a second splicing unit 3, the first splicing units 2 and the second splicing units 3 of the two adjacent splicing rods 1 are spliced and connected, and the first splicing units 2 and the second splicing units 3 are matched to facilitate the splicing of the adjacent splicing rods 1. The ejector rod 24 is arranged in the first plug-in unit 2, the ejector rod 24 is convenient to match with the second plug-in unit 3, and the first plug-in unit 2 and the second plug-in unit 3 are convenient to connect stably. And the arc surface of the first plug-in unit 2 is provided with a screw port 23, the inner end of the screw port 23 is provided with a bayonet 25, and the cooperation of the screw port 23 and the bayonet 25 is convenient for the first plug-in unit 2 and the second plug-in unit 3 to be clamped together. The end part of the second plug-in unit 3 is provided with a limiting pin 33, and the limiting pin 33 is convenient to clamp inside the bayonet 25. The inside spring 34 that is equipped with of second grafting unit 3, the inside one end that is close to the outside of second grafting unit 3 is equipped with end cover 35, and end cover 35 is convenient for cooperate ejector pin 24 to use, makes reset spring 34 shrink under the extrusion of ejector pin 24 to give the space of spacer pin 33 and first grafting unit 2, can make the spacer pin 33 block in bayonet socket 25 inboard steadily under the effect of spring 34 simultaneously. It is also convenient to quickly stagger the limit pins 33 from the bayonets 25 when the connecting rods need to be disassembled so as to finish loosening and retreating between the splicing rods 1. The middle part of the end cover 35 is provided with a bar-shaped hole 36, the limiting pin 33 penetrates through the bar-shaped hole 36, one end of the inner side of the end cover 35 is propped against the spring 34, and the bar-shaped hole 36 with larger length and width can effectively avoid the limiting pin 33 from influencing the expansion and contraction of the end cover 35, so that the end cover 35 can conveniently extrude the spring 34.
As shown in fig. 2, grooves are formed at two ends of the splicing rod 1, and the grooves at two ends of the splicing rod 1 are matched with the first plugging unit 2 and the second plugging unit 3 respectively. The structure is convenient for the splicing rod 1 to be stably matched with the first plugging unit 2 and the second plugging unit 3 for connection and use, and also convenient for the replacement of the first plugging unit 2 and the second plugging unit 3.
As shown in fig. 4, one end of the first plugging unit 2 facing the splicing rod 1 is provided with a first connector 21, the arc surface of the first connector 21 is provided with a plurality of first annular grooves 22, and the first connector 21 and the first annular grooves 22 are matched to facilitate the first plugging unit 2 to be smoothly connected with the splicing rod 1. The first plugging unit 2 is hollow, and the diameter of the ejector rod 24 is smaller than the inner diameter of the first plugging unit 2, so that the ejector rod 24 can be conveniently and smoothly inserted into the second plugging unit 3.
As shown in fig. 5, the end of the second plugging unit 3 facing the splicing rod 1 is provided with a second connector 31, the arc surface of the second connector 31 is provided with a plurality of second annular grooves 32, and the second connector 31 and the second annular grooves 32 are matched to facilitate the second plugging unit 3 to be smoothly connected with the splicing rod 1. The second plugging unit 3 is hollow, the outer diameter of the second plugging unit 3 is smaller than the inner diameter of the first plugging unit 2, and the inner diameter of the second plugging unit 3 is larger than the diameter of the ejector rod 24, so that the second plugging unit 3 can be conveniently and smoothly plugged in the first plugging unit 2, and the ejector rod 24 can be smoothly plugged in the inner side of the second plugging unit 3. The second plug-in unit 3 is fixedly connected with the limiting pin 33, so that the limiting pin 33 can be effectively prevented from being separated from the second plug-in unit 3, and the problem that the limiting pin 33 moves is also avoided. The length of the limiting pin 33 is greater than the diameter of the second plugging unit 3, so that two ends of the limiting pin 33 protrude out of the side face of the second plugging unit 3, and the limiting pin 33 can be conveniently clamped at the bayonet 25 of the first plugging unit 2. The end cover 35 is slidably connected with the second plug unit 3, so that the end cover 35 can slide, and the end cover 35 is convenient to use.
As shown in fig. 1 and 2, the first and second plugging units 2 and 3 are connected with the splicing rod 1 through threads. This construction is convenient for mounting and dismounting between the first plug unit 2 and the second plug unit 3.
Working principle: when the two splicing rods 1 are used, the first splicing units 2 and the second splicing units 3 of the two adjacent splicing rods 1 are aligned, so that the second splicing units 3 are inserted into the first splicing units 2, and meanwhile, the second splicing units 3 rotate along the screw openings 23 along with the limiting pins 33 until the limiting pins 33 are clamped in the bayonets 25, and then the two splicing rods 1 can be connected. When the two splicing rods 1 are required to be disassembled, force is only required to be applied to the connecting parts of the two splicing rods, so that the ejector rod 24 in the first splicing unit 2 props against the end cover 35, the end cover 35 presses the spring 34, the spring 34 is further contracted, the limiting pin 33 can be easily separated from the bayonet 25 due to the contraction of the spring 34, and then the adjacent splicing rods 1 can be separated by reversely rotating the second splicing unit 3. Compared with the prior art, the ejector rod 24 is arranged inside the first plug-in unit 2, the spring 34, the limiting pin 33 and the end cover 35 are arranged inside the second plug-in unit 3, the strip-shaped hole 36 of the end cover 35 is sleeved outside the limiting pin 33, the end cover 35 can stretch out and draw back to apply pressure to the spring 34, the second plug-in unit 3 is inserted into the first plug-in unit 2 to rotate, after the second plug-in unit 3 rotates to a proper angle, the hand is released, under the action of the spring 34, the end cover 35 is reset, and the end cover 35 is reset, so that the second plug-in unit 3 carries the limiting pin 33 to be stably clamped inside the bayonet 25, and the purpose that the splicing rods 1 are mutually spliced together is achieved. When the connecting rod is detached, only the two splicing rods 1 are required to apply force to the connecting end, so that the limiting pins 33 are separated from the bayonets 25, and then the two splicing rods 1 can be separated by reverse rotation, and the splicing rods 1 of the connecting rod with the structure can be quickly spliced or detached and loosened.
Example 2
As shown in fig. 1, 2, 3, 4 and 5, a quick plugging and loosening type multistage connecting rod comprises a connecting rod body, wherein the connecting rod body is formed by mutually splicing a plurality of splicing rods 1, and the structure is convenient to splice the connecting rod body, so that the length of the connecting rod body can be conveniently prolonged according to use requirements. The two ends of the splicing rod 1 are respectively spliced with a first splicing unit 2 and a second splicing unit 3, the first splicing units 2 and the second splicing units 3 of the two adjacent splicing rods 1 are spliced and connected, and the first splicing units 2 and the second splicing units 3 are matched to facilitate the splicing of the adjacent splicing rods 1. The ejector rod 24 is arranged in the first plug-in unit 2, the ejector rod 24 is convenient to match with the second plug-in unit 3, and the first plug-in unit 2 and the second plug-in unit 3 are convenient to connect stably. And the arc surface of the first plug-in unit 2 is provided with a screw port 23, the inner end of the screw port 23 is provided with a bayonet 25, and the cooperation of the screw port 23 and the bayonet 25 is convenient for the first plug-in unit 2 and the second plug-in unit 3 to be clamped together. The end part of the second plug-in unit 3 is provided with a limiting pin 33, and the limiting pin 33 is convenient to clamp inside the bayonet 25. The inside spring 34 that is equipped with of second grafting unit 3, the inside one end that is close to the outside of second grafting unit 3 is equipped with end cover 35, and end cover 35 is convenient for cooperate ejector pin 24 to use, makes reset spring 34 shrink under the extrusion of ejector pin 24 to give the space of spacer pin 33 and first grafting unit 2, can make the spacer pin 33 block in bayonet socket 25 inboard steadily under the effect of spring 34 simultaneously. It is also convenient to quickly stagger the limit pins 33 from the bayonets 25 when the connecting rods need to be disassembled so as to finish loosening and retreating between the splicing rods 1. The middle part of the end cover 35 is provided with a bar-shaped hole 36, the limiting pin 33 penetrates through the bar-shaped hole 36, one end of the inner side of the end cover 35 is propped against the spring 34, the expansion and contraction of the end cover 35 can be effectively avoided by the bar-shaped hole 36 due to the limiting pin 33, and the end cover 35 can conveniently extrude the spring 34.
As shown in fig. 2, grooves are formed at two ends of the splicing rod 1, and the grooves at two ends of the splicing rod 1 are matched with the first plugging unit 2 and the second plugging unit 3 respectively. The structure is convenient for the splicing rod 1 to be stably matched with the first plugging unit 2 and the second plugging unit 3 for connection and use, and also convenient for the replacement of the first plugging unit 2 and the second plugging unit 3.
As shown in fig. 4, one end of the first plugging unit 2 facing the splicing rod 1 is provided with a first connector 21, the arc surface of the first connector 21 is provided with a plurality of first annular grooves 22, and the first connector 21 and the first annular grooves 22 are matched to facilitate the first plugging unit 2 to be smoothly connected with the splicing rod 1. The first plugging unit 2 is hollow, and the diameter of the ejector rod 24 is smaller than the inner diameter of the first plugging unit 2, so that the ejector rod 24 can be conveniently and smoothly inserted into the second plugging unit 3.
As shown in fig. 5, the end of the second plugging unit 3 facing the splicing rod 1 is provided with a second connector 31, the arc surface of the second connector 31 is provided with a plurality of second annular grooves 32, and the second connector 31 and the second annular grooves 32 are matched to facilitate the second plugging unit 3 to be smoothly connected with the splicing rod 1. The second plugging unit 3 is hollow, the outer diameter of the second plugging unit 3 is smaller than the inner diameter of the first plugging unit 2, and the inner diameter of the second plugging unit 3 is larger than the diameter of the ejector rod 24, so that the second plugging unit 3 can be conveniently and smoothly plugged in the first plugging unit 2, and the ejector rod 24 can be smoothly plugged in the inner side of the second plugging unit 3. The second plug-in unit 3 is fixedly connected with the limiting pin 33, so that the limiting pin 33 can be effectively prevented from being separated from the second plug-in unit 3, and the problem that the limiting pin 33 moves is also avoided. The length of the limiting pin 33 is greater than the diameter of the second plugging unit 3, so that two ends of the limiting pin 33 protrude out of the side face of the second plugging unit 3, and the limiting pin 33 can be conveniently clamped at the bayonet 25 of the first plugging unit 2. The end cover 35 is slidably connected with the second plug unit 3, so that the end cover 35 can slide, and the end cover 35 is convenient to use.
As shown in fig. 1 and 2, the first plugging unit 2, the second plugging unit 3 and the splicing rod 1 are bonded together by glue. This construction facilitates the replacement of the first plug unit 2 and the second plug unit 3 after damage.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a quick grafting and pine move back formula multistage connecting rod, includes the connecting rod body, the connecting rod body is formed by the mutual concatenation of a plurality of splice bars (1), its characterized in that, splice bar (1) both ends are pegged graft respectively and are had first grafting unit (2) and second grafting unit (3), adjacent two first grafting unit (2) and second grafting unit (3) of splice bar (1) are pegged graft and are linked to each other, first grafting unit (2) inside ejector pin (24) that is equipped with, just first grafting unit (2) arc surface is equipped with spiral mouth (23), spiral mouth (23) inner is equipped with bayonet socket (25), second grafting unit (3) tip is equipped with spacer pin (33), second grafting unit (3) inside is equipped with spring (34), second grafting unit (3) inside is close to outside one end and is equipped with end cover (35), end cover (35) middle part is equipped with bar hole (36), spacer pin (33) pass bar hole (36), the inboard one end of end cover (35) supports on spring (34).
2. The quick plugging and loosening multistage connecting rod according to claim 1, wherein grooves are formed in two ends of the splicing rod (1), and the grooves in two ends of the splicing rod (1) are matched with the first plugging unit (2) and the second plugging unit (3) respectively.
3. The quick plugging and loosening multistage connecting rod according to claim 1, wherein one end of the first plugging unit (2) facing the splicing rod (1) is provided with a first connecting head (21), an arc surface of the first connecting head (21) is provided with a plurality of first annular grooves (22), the inside of the first plugging unit (2) is hollow, and the diameter of the ejector rod (24) is smaller than the inner diameter of the first plugging unit (2).
4. The quick plugging and loosening type multistage connecting rod according to claim 1, wherein a second connector (31) is arranged at one end of the second plugging unit (3) facing the splicing rod (1), a plurality of second annular grooves (32) are arranged on the arc surface of the second connector (31), the inside of the second plugging unit (3) is hollow, the outer diameter of the second plugging unit (3) is smaller than the inner diameter of the first plugging unit (2), and the inner diameter of the second plugging unit (3) is larger than the diameter of the ejector rod (24).
5. A quick plugging and unplugging multistage connecting rod according to claim 1, characterized in that the second plugging unit (3) is fixedly connected with a limiting pin (33), the length of the limiting pin (33) is larger than the diameter of the second plugging unit (3), and the end cover (35) is in sliding connection with the second plugging unit (3).
6. A quick connect and disconnect multistage connection rod according to any one of claims 1-5, characterized in that the first and second connection units (2, 3) are connected to the splice bar (1) by means of threads.
7. A quick connect and disconnect multistage connecting rod according to any one of claims 1-5, characterized in that the first and second connection units (2, 3) are glued together with the splicing rod (1) by means of glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321871591.0U CN220227416U (en) | 2023-07-14 | 2023-07-14 | Quick grafting and pine move back formula multistage connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321871591.0U CN220227416U (en) | 2023-07-14 | 2023-07-14 | Quick grafting and pine move back formula multistage connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227416U true CN220227416U (en) | 2023-12-22 |
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ID=89184658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321871591.0U Active CN220227416U (en) | 2023-07-14 | 2023-07-14 | Quick grafting and pine move back formula multistage connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227416U (en) |
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2023
- 2023-07-14 CN CN202321871591.0U patent/CN220227416U/en active Active
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