CN204594336U - Retractable spontoon - Google Patents
Retractable spontoon Download PDFInfo
- Publication number
- CN204594336U CN204594336U CN201520102922.3U CN201520102922U CN204594336U CN 204594336 U CN204594336 U CN 204594336U CN 201520102922 U CN201520102922 U CN 201520102922U CN 204594336 U CN204594336 U CN 204594336U
- Authority
- CN
- China
- Prior art keywords
- rod body
- rear end
- interior
- external diameter
- expansion tube
- 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.)
- Expired - Fee Related
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a kind of retractable spontoon, comprise outer rod body, middle rod body and interior rod body, the inner diameter of outer rod body is held from front end backward and is increased gradually, rod body in outer rod body inside socket, reducing pipe is established in middle rod body front end, the first expansion tube is established in middle rod body rear end, the external diameter of middle rod body is less than outer rod body internal diameter foremost, the external diameter of the first expansion tube rear end is greater than the internal diameter of outer rod body front end, interior rod body is established in middle rod body, striking head is established in interior rod body front end, interior rod body front end abutment striking head place establishes rubber ring, the external diameter of rubber ring is greater than the external diameter of reducing pipe front end, the second expansion tube is established in interior rod body rear end, the external diameter of interior rod body is less than reducing pipe internal diameter foremost, the external diameter of the second expansion tube rear end is greater than the internal diameter of reducing pipe front end, rod lid is established in outer rod body rear end, packing ring is crimped between outer rod body rear end and rod lid, washer center place establishes the flexible clamp piece that can insert interior rod body rear end.The utility model structure is simple, capable of expansion and contraction and firmly sealed, long service life.
Description
Technical field
The utility model relates to a kind of police equipment technical field, especially a kind of retractable spontoon.
Background technology
Retractable spontoon is a kind of conventional police equipment, of a great variety, but ubiquity is laid particular stress on and yielding defect, and retractable spontoon internal structure is complicated, and need mounted tracks etc. to make it flexible smooth and easy, cause baton flexible easily malfunctioning, service life shortens.Therefore, be badly in need of developing the durable and retractable spontoon that maneuverability is strong of Stability Analysis of Structures.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of retractable spontoon, and structure is simple, capable of expansion and contraction and firmly sealed, long service life.
For achieving the above object, the technical solution of the utility model is: retractable spontoon, comprise outer rod body, middle rod body and interior rod body, the inner diameter of described outer rod body is held from front end backward and is increased gradually, rod body in outer rod body inside socket, described middle rod body front end is provided with reducing pipe, middle rod body rear end is provided with the first expansion tube, the external diameter of middle rod body is less than outer rod body internal diameter foremost, the external diameter of described first expansion tube rear end is greater than the internal diameter of outer rod body front end, interior rod body is provided with in described middle rod body, described interior rod body front end is provided with striking head, interior rod body front end abutment striking head place is provided with rubber ring, the external diameter of described rubber ring is greater than the external diameter of reducing pipe front end, described interior rod body rear end is provided with the second expansion tube, the external diameter of interior rod body is less than reducing pipe internal diameter foremost, the external diameter of described second expansion tube rear end is greater than the internal diameter of reducing pipe front end, described outer rod body rear end is provided with rod lid, packing ring is crimped between outer rod body rear end and rod lid, described washer center place is provided with the flexible clamp piece that can insert interior rod body rear end.
Described outer rod body front end outer wall is provided with guard ring, and outer rod body rear end outer wall is provided with external screw thread, and the external wall of outer rod is provided with sheath between guard ring and external screw thread, and described rod lid inwall is provided with the internal thread coordinated with external screw thread.
The beneficial effects of the utility model are: structure is simple, reasonable in design, overall weight is lighter, only need exert oneself during use to get rid of outward, the elastic force that interior rod body overcomes flexible clamp piece stretches out outward, external diameter due to the second expansion tube rear end is greater than the internal diameter of reducing pipe front end, during second expansion tube of interior rod body is driven, the reducing pipe of rod body is protruding, external diameter due to the first expansion tube rear end is greater than the internal diameter of outer rod body front end, middle rod body stretches out until the first expansion tube is stuck in outer rod body inwall front end, now whole baton full extension is opened, only need inwardly to promote striking head until interior rod body is retracted completely when drawing in, now interior rod body is held onto by the elastic force of flexible clamp piece and can not stretch out, whole retractable spontoon is inner without easily worn part, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model rounding state;
Fig. 2 is the structural representation of the utility model deployed condition;
Fig. 3 is explosive view of the present utility model.
In figure: outer rod body 1, external screw thread 11, sheath 12, guard ring 13, middle rod body 2, reducing pipe 21, first expansion tube 22, interior rod body 3, second expansion tube 31, striking head 32, rubber ring 33, rod lid 4, internal thread 41, packing ring 5, flexible clamp piece 51.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
As shown in FIG. 1 to 3, retractable spontoon, comprise outer rod body 1, middle rod body 2 and interior rod body 3, the inner diameter of described outer rod body 1 is held from front end backward and is increased gradually, rod body 2 in outer rod body 1 inside socket, described middle rod body 2 front end is provided with reducing pipe 21, middle rod body 2 rear end is provided with the first expansion tube 22, the external diameter of middle rod body 2 is less than outer rod body 1 internal diameter foremost, the external diameter of described first expansion tube 22 rear end is greater than the internal diameter of outer rod body 1 front end, interior rod body 3 is provided with in described middle rod body 2, described interior rod body 3 front end is provided with striking head 32, striking head 32 can be used to molecule of fighting crime, interior rod body 3 front end abutment striking head 32 place is provided with rubber ring 33, the external diameter of described rubber ring 33 is greater than the external diameter of reducing pipe 21 front end, rubber ring 33 impact that energy buffer is taken the lead between 32 and the reducing pipe 21 of middle rod body 2 front end when interior rod body 3 bounces back, described interior rod body 3 rear end is provided with the second expansion tube 31, the external diameter of interior rod body 3 is less than reducing pipe 21 internal diameter foremost, the external diameter of described second expansion tube 31 rear end is greater than the internal diameter of reducing pipe 21 front end, described outer rod body 1 rear end is provided with rod lid 4, packing ring 5 is crimped between outer rod body 1 rear end and rod lid 4, described packing ring 5 center is provided with the flexible clamp piece 51 that can insert interior rod body 3 rear end, flexible clamp piece 51 is fixing not to be shifted.
Described outer rod body 1 front end outer wall is provided with guard ring 13, guard ring 13 makes that outer rod body 1 front end is mellow and full does not attractive in appearancely hinder hand, outer rod body 1 rear end outer wall is provided with external screw thread 11, outer rod body 1 outer wall is provided with sheath 12 between guard ring 13 and external screw thread 11, sheath 12 adopts rubber to make, not easily slip out of the hand when people is used, described rod lid 4 inwall is provided with the internal thread 41 coordinated with external screw thread 11.
Only need exert oneself to get rid of outward when the utility model uses, the elastic force that interior rod body 3 overcomes flexible clamp piece 51 stretches out outward, external diameter due to the second expansion tube 31 rear end is greater than the internal diameter of reducing pipe 21 front end, during second expansion tube 31 of interior rod body 3 is driven, the reducing pipe 21 of rod body 2 is protruding, external diameter due to the first expansion tube 22 rear end is greater than the internal diameter of outer rod body 1 front end, middle rod body 2 stretches out until the first expansion tube 22 is stuck in outer rod body 1 inwall front end, now whole baton full extension is opened, only need inwardly to promote striking head 32 until interior rod body 3 is retracted completely when drawing in, now interior rod body 3 is held onto by the elastic force of flexible clamp piece 51 and can not stretch out, whole retractable spontoon is inner without easily worn part, long service life.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (2)
1. retractable spontoon, it is characterized in that: comprise outer rod body (1), middle rod body (2) and interior rod body (3), the inner diameter of described outer rod body (1) is held from front end backward and is increased gradually, rod body (2) in outer rod body (1) inside socket, described middle rod body (2) front end is provided with reducing pipe (21), middle rod body (2) rear end is provided with the first expansion tube (22), the external diameter of middle rod body (2) is less than outer rod body (1) internal diameter foremost, the external diameter of described first expansion tube (22) rear end is greater than the internal diameter of outer rod body (1) front end, interior rod body (3) is provided with in described middle rod body (2), described interior rod body (3) front end is provided with striking head (32), interior rod body (3) front end abutment striking head (32) place is provided with rubber ring (33), the external diameter of described rubber ring (33) is greater than the external diameter of reducing pipe (21) front end, described interior rod body (3) rear end is provided with the second expansion tube (31), the external diameter of interior rod body (3) is less than reducing pipe (21) internal diameter foremost, the external diameter of described second expansion tube (31) rear end is greater than the internal diameter of reducing pipe (21) front end, described outer rod body (1) rear end is provided with rod lid (4), packing ring (5) is crimped between outer rod body (1) rear end and rod lid (4), described packing ring (5) center is provided with the flexible clamp piece (51) that can insert interior rod body (3) rear end.
2. retractable spontoon as claimed in claim 1, it is characterized in that: described outer rod body (1) front end outer wall is provided with guard ring (13), outer rod body (1) rear end outer wall is provided with external screw thread (11), outer rod body (1) outer wall is positioned between guard ring (13) and external screw thread (11) and is provided with sheath (12), and described rod lid (4) inwall is provided with the internal thread (41) coordinated with external screw thread (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102922.3U CN204594336U (en) | 2015-02-12 | 2015-02-12 | Retractable spontoon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102922.3U CN204594336U (en) | 2015-02-12 | 2015-02-12 | Retractable spontoon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594336U true CN204594336U (en) | 2015-08-26 |
Family
ID=53930481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520102922.3U Expired - Fee Related CN204594336U (en) | 2015-02-12 | 2015-02-12 | Retractable spontoon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594336U (en) |
-
2015
- 2015-02-12 CN CN201520102922.3U patent/CN204594336U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |