CN211039299U - Novel telescopic rod component structure - Google Patents
Novel telescopic rod component structure Download PDFInfo
- Publication number
- CN211039299U CN211039299U CN201921727321.6U CN201921727321U CN211039299U CN 211039299 U CN211039299 U CN 211039299U CN 201921727321 U CN201921727321 U CN 201921727321U CN 211039299 U CN211039299 U CN 211039299U
- Authority
- CN
- China
- Prior art keywords
- locking
- bush
- swivel nut
- assembly structure
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model belongs to the technical field of mechanical structure, the purpose is overcome among the prior art telescopic link locking structural connection unreliable and difficult problem of locking, specifically provides a novel telescopic rod subassembly structure, including pars contractilis and fixed part, peg graft in the fixed part flexible slidable, still include the locking unit, the locking unit includes that bush and rotatable cover locate the outer locking swivel nut of bush, and the bush presses in the surface of pars contractilis, the one end and the fixed part threaded connection of locking swivel nut, and the tip of bush is equipped with the tapering, packs between the conical surface of the tip of locking swivel nut and bush and compresses tightly the pad. After the telescopic part is inserted into the fixing part to a preset length, the locking unit is used for locking, the compression pad is additionally arranged on the locking nut and the lining part, the locking resistance is reduced, the locking action is more convenient, and the locking force is indirectly improved.
Description
Technical Field
The utility model belongs to the technical field of mechanical structure, concretely relates to novel telescopic rod subassembly structure.
Background
In the actual operation process, the existing telescopic rod structure is various. The traditional connection is unreliable, the telescopic rod is easy to slide, and the locking screw sleeve has large resistance and is not easy to lock.
The telescopic link on the existing market generally adopts the mode of spiral expansion structure to connect, and the protection of inflation piece is on the screw thread, and in the course of operation of the rotatory locking telescopic link of screw thread, the inflation piece still has along with telescopic link pivoted trend except receiving radial outside thrust along with the screw thread diameter, and then produces frictional force with the telescopic link inner wall. The friction causes the outer surface of the expansion block to be abraded, and the outer surface tends to be smooth along with the increase of the use times, so that enough friction cannot be generated to fix the telescopic rod, the service life of the telescopic rod is shortened, and the telescopic rod cannot be frequently disassembled.
Disclosure of Invention
The utility model aims at overcoming the problem that the telescopic link locking structure is connected unreliable and is difficult for locking among the prior art.
Therefore, the utility model provides a novel telescopic rod subassembly structure, including pars contractilis and fixed part, peg graft in pars contractilis slidable in the fixed part, still include the locking unit, the locking unit includes that bush and rotatable cover are located the outer locking swivel nut of bush, the bush press in the surface of pars contractilis, the one end of locking swivel nut with fixed part threaded connection, the tip of bush is equipped with the tapering, the locking swivel nut with pack between the conical surface of the tip of bush and compress tightly the pad.
Preferably, the end part of the locking screw sleeve is provided with a protrusion and a stop block which extend inwards, one end of the pressing pad is abutted against one side of the protrusion, and the other end of the pressing pad is abutted against one side of the stop block.
Preferably, the pressing pad is a metal cone.
Preferably, the inner surface of the end of the locking screw sleeve is provided with an inner conical surface which is abutted with the metal conical piece.
Preferably, the outer surface of the pressing pad is a cylindrical surface which is attached to the inner surface of the locking screw sleeve, and the inner surface of the pressing pad is a conical surface which is attached to the conical surface of the end of the bushing.
Preferably, the outer surface of the locking screw sleeve is provided with anti-skid threads.
Preferably, one end of the fixing part is provided with a slip-preventing sleeve, and one end of the slip-preventing sleeve is provided with a groove abutted to the telescopic part.
Preferably, one end of the fixing portion is provided with a guide rail, the anti-slip sleeve is located at the tail end of the guide rail, and one end of the telescopic portion extends into the guide rail and can abut against the groove of the anti-slip sleeve.
Preferably, the longitudinal section of the groove is trapezoidal.
The utility model has the advantages that: the utility model provides a novel telescopic rod subassembly structure, including pars contractilis and fixed part, peg graft in the fixed part flexible slidable ground, still include the locking unit, the locking unit includes that bush and rotatable cover locate the outer locking swivel nut of bush, and the bush presses in the surface of pars contractilis, the one end and the fixed part threaded connection of locking swivel nut, and the tip of bush is equipped with the tapering, packs between the conical surface of the tip of locking swivel nut and bush and compresses tightly the pad. After the telescopic part is inserted into the fixing part to a preset length, the locking unit is used for locking, the compression pad is additionally arranged on the locking nut and the lining part, the locking resistance is reduced, the locking action is more convenient, and the locking force is indirectly improved.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is an assembly structure diagram of the novel telescopic rod assembly structure of the present invention;
Fig. 2 is an explosion structure diagram of the novel telescopic rod assembly structure of the present invention.
Description of reference numerals: the telescopic part 1, compress tightly pad 2, locking swivel nut 3, bush 4, stop sleeve 5, fixed part 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 and 2, the embodiment of the utility model provides a novel telescopic rod component structure, including pars contractilis 1 and fixed part 6, pars contractilis 1 slidable pegging graft in the fixed part 6, still include the locking unit, the locking unit includes that bush 4 and rotatable cover are located the outer locking swivel nut 3 of bush 4, bush 4 press in pars contractilis 1's surface, locking swivel nut 3's one end with 6 threaded connection of fixed part, bush 4 is equipped with the step, 6 tip of fixed part support by in a terminal surface of step, another terminal surface lock of step connect in locking swivel nut 3's other end internal surface, another terminal surface of step with it compresses tightly pad 2 to fill between the other end internal surface of locking swivel nut 3.
The telescopic part 1, i.e. the telescopic rod, can be slidably inserted into the fixing part 6, i.e. the fixing rod, and the desired overall length can be obtained by controlling the insertion depth. When the telescopic rod is used, the locking threaded sleeve 3 is firstly sleeved on the telescopic rod, the locking threaded sleeve 3 is larger than the telescopic rod, the locking threaded sleeve 3 is internally provided with the compression pad 2, and then the locking threaded sleeve is sleeved with the bushing 4. 4 tip of bush is equipped with the tapering, and the internal surface that compresses tightly pad 2 also is the conical surface, and the conical surface of bush 4 and the conical surface contact fit that compresses tightly pad 2 compress tightly the surface and 3 contacts of locking swivel nut of 2, and the internal surface of bush 4 and the external surface contact of telescopic link, 3 covers of locking swivel nut on the dead lever and threaded connection. When screwing in locking swivel nut 3 gradually, locking swivel nut 3 moves right gradually to slowly compress and compress tightly pad 2 and drive and compress tightly pad 2 and move right, and 4 tight covers of bush are motionless on the telescopic link, compress tightly pad 2 and upwards climb along the toper of 4 surfaces of bush, thereby increase along radial outside to interior extrusion force extrusion bush 4, make bush 4 bigger with the grip of telescopic link, thereby reach the purpose with telescopic link assembly monolithic stationary.
The lining 4 can be an annular metal hoop with an opening or a plurality of arc-shaped pieces, and is inserted into a gap at the junction of the telescopic rod and the fixed rod when in use. When the pressing pad 2 is pressed inward, the bushing 4 can be deformed or contracted so as to grip the telescopic rod to fix the telescopic rod.
Preferably, the end of the locking screw sleeve 3 is provided with a protrusion and a stop block extending inwards, one end of the pressing pad 2 abuts against one side of the protrusion, and the other end of the pressing pad abuts against one side of the stop block. Therefore, the end part of the locking screw sleeve 3 is provided with a bulge and a stop block from outside to inside along the radial direction, the bulge and the stop block play a role in stopping the pressing pad 2, when locking is needed, the locking screw sleeve 3 is screwed in to move rightwards, and the bulge pushes the extrusion pad to climb rightwards along the conical surface of the bushing 4; when needing to dismantle, unscrew lock nut and remove left, the dog is pushing away the extrusion pad and is falling back left along the conical surface of bush 4, and the extrusion pad is loosened with bush 4, alright completion dismantlement process.
Preferably, the pressing pad 2 is a metal conical piece. The pressing pad 2 is a metal piece with certain elasticity and ductility, and when the pressing pad 2 climbs upwards along the conical surface of the lining 4, the pressing pad 2 presses the lining 4 for expansion and forming a gripping force.
Preferably, the inner surface of the end of the locking screw sleeve 3 is provided with an inner conical surface which is abutted with the metal conical piece. Therefore, the inner surface and the outer surface of the metal conical part are conical surfaces, and internal and external double locking extrusion is formed, so that locking is firmer.
Preferably, the outer surface of the pressing pad 2 is a cylindrical surface which is attached to the inner surface of the locking screw sleeve 3, and the inner surface of the pressing pad 2 is a conical surface which is attached to the conical surface of the end of the bushing 4. The pressing pad 2 is a cylindrical hollow body with an outer circle and an inner cone, so that the matching is easier.
Preferably, the outer surface of the locking screw sleeve 3 is provided with anti-skid threads. Therefore, when the telescopic rod component is a small component, the locking nut can be manually screwed down to achieve the purpose of locking, and the anti-slip threads can prevent slipping when being screwed down.
Preferably, one end of the fixing portion 6 is provided with a slip-off preventing sleeve 5, and one end of the slip-off preventing sleeve 5 is provided with a groove abutted to the telescopic portion 1. Therefore, when the telescopic rod slowly goes deep into the groove in the anti-slip sleeve 5, the telescopic rod and the groove are firmly assembled through transition fit, and the connection strength between the telescopic rod and the fixed rod is further strengthened.
Preferably, one end of the fixing portion 6 is provided with a guide rail, the anti-slip sleeve 5 is positioned at the tail end of the guide rail, and one end of the telescopic portion 1 extends into the guide rail and can be abutted to a groove of the anti-slip sleeve 5. The guide rail plays a role in guiding, the expansion part 1 can be prevented from moving, and the overall stability is improved.
Preferably, the longitudinal section of the groove is trapezoidal. Therefore, the trapezoidal groove forms an inclined surface, and the matching between the end part of the expansion part 1 and the groove is firmer as the depth of the expansion part 1 extending into the trapezoidal groove is deeper.
The utility model has the advantages that: the utility model provides a novel telescopic rod subassembly structure, including pars contractilis and fixed part, peg graft in the fixed part flexible slidable ground, still include the locking unit, the locking unit includes that bush and rotatable cover locate the outer locking swivel nut of bush, and the bush presses in the surface of pars contractilis, the one end and the fixed part threaded connection of locking swivel nut, and the tip of bush is equipped with the tapering, packs between the conical surface of the tip of locking swivel nut and bush and compresses tightly the pad. After the telescopic part is inserted into the fixing part to a preset length, the locking unit is used for locking, the compression pad is additionally arranged on the locking nut and the lining part, the locking resistance is reduced, the locking action is more convenient, and the locking force is indirectly improved.
The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a novel telescopic link subassembly structure, includes pars contractilis and fixed part, pars contractilis slidable peg graft in the fixed part, its characterized in that: still include the locking unit, the locking unit includes that bush and rotatable cover are located the outer locking swivel nut of bush, the bush press in the surface of pars contractilis, the one end of locking swivel nut with fixed part threaded connection, the tip of bush is equipped with the tapering, the locking swivel nut with fill the pressure pad between the conical surface of the tip of bush.
2. The novel telescopic pole assembly structure of claim 1, wherein: the end part of the locking threaded sleeve is provided with a protrusion and a stop block which extend inwards, one end of the compression pad is abutted against one side of the protrusion, and the other end of the compression pad is abutted against one side of the stop block.
3. The novel telescopic pole assembly structure of claim 1, wherein: the pressing pad is a metal conical piece.
4. The novel telescopic pole assembly structure of claim 3, wherein: the inner surface of the end part of the locking threaded sleeve is provided with an inner conical surface which is abutted against the metal conical part.
5. The novel telescopic pole assembly structure of claim 1, wherein: the outer surface of the compression pad is a cylindrical surface attached to the inner surface of the locking screw sleeve, and the inner surface of the compression pad is a conical surface attached to the conical surface of the end of the bushing.
6. The novel telescopic pole assembly structure of claim 1, wherein: and the outer surface of the locking screw sleeve is provided with anti-skid threads.
7. The novel telescopic pole assembly structure of claim 1, wherein: one end of the fixing part is provided with a slip-preventing sleeve, and one end of the slip-preventing sleeve is provided with a groove abutted to the telescopic part.
8. The novel telescoping pole assembly structure of claim 7, wherein: one end of the fixing portion is provided with a guide rail, the anti-slip sleeve is located at the tail end of the guide rail, and one end of the telescopic portion extends into the guide rail and can be abutted to the groove of the anti-slip sleeve.
9. The novel telescoping pole assembly structure of claim 7, wherein: the longitudinal section of the groove is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921727321.6U CN211039299U (en) | 2019-10-15 | 2019-10-15 | Novel telescopic rod component structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921727321.6U CN211039299U (en) | 2019-10-15 | 2019-10-15 | Novel telescopic rod component structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039299U true CN211039299U (en) | 2020-07-17 |
Family
ID=71562348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921727321.6U Active CN211039299U (en) | 2019-10-15 | 2019-10-15 | Novel telescopic rod component structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323953A (en) * | 2021-05-20 | 2021-08-31 | 山东吉诺尔体育器材有限公司 | Linear bearing telescopic rod of basketball stand |
-
2019
- 2019-10-15 CN CN201921727321.6U patent/CN211039299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323953A (en) * | 2021-05-20 | 2021-08-31 | 山东吉诺尔体育器材有限公司 | Linear bearing telescopic rod of basketball stand |
| CN113323953B (en) * | 2021-05-20 | 2022-12-16 | 山东吉诺尔体育器材有限公司 | Linear bearing telescopic rod of basketball stand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2724997C (en) | A new self-locking self-destroying safety syringe | |
| CN211039299U (en) | Novel telescopic rod component structure | |
| US6752784B2 (en) | Labor efficient safety syringe | |
| US6921382B2 (en) | Retracting device for a safety syringe | |
| CA2325613A1 (en) | Safety hypodermic syringe and needle holder for same | |
| CN202556323U (en) | Quick clamping device for screwdriver bit | |
| WO2014067220A1 (en) | Safety insulin needle and method for using same | |
| US20030040721A1 (en) | Safety device for a safety syringe | |
| US6827704B1 (en) | Safety syringe | |
| CN113274585A (en) | Safety syringe | |
| CN205977938U (en) | Retractor device | |
| CN209671352U (en) | A kind of scooter and its telescopic rod locking mechanism | |
| CN213116999U (en) | Telescopic rod | |
| CN205841623U (en) | From compressing twin-lock anticreep steel wire rope wire clips | |
| CN210296756U (en) | Anti-drop's on-vehicle charger | |
| CN209511372U (en) | A kind of push type quick coupling | |
| CN209510824U (en) | A kind of scooter and its telescopic rod locking mechanism | |
| WO2009111930A1 (en) | Safety injector | |
| CN210623331U (en) | Riveted structure of tuning cover plate | |
| CN221002684U (en) | Combined slip overshot | |
| CN210050170U (en) | Wire-drawing type internal locking self-plugging rivet | |
| CN210912341U (en) | Pipe fitting with combined function for safety belt pre-tightening device | |
| CN211343069U (en) | Oil-gas separator and engine and vehicle with same | |
| CN114620636B (en) | Tensioning jack | |
| CN219699322U (en) | Transmission structure of lifting table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |