CN2461706Y - Spanner with telescopic connecting rod - Google Patents
Spanner with telescopic connecting rod Download PDFInfo
- Publication number
- CN2461706Y CN2461706Y CN 00259475 CN00259475U CN2461706Y CN 2461706 Y CN2461706 Y CN 2461706Y CN 00259475 CN00259475 CN 00259475 CN 00259475 U CN00259475 U CN 00259475U CN 2461706 Y CN2461706 Y CN 2461706Y
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- CN
- China
- Prior art keywords
- connecting rod
- spanner
- head
- perforation
- flexible connecting
- 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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Abstract
The utility model relates to a wrench with a telescopic connecting rod. The interior of the connecting rod is provided with a telescopic unit which is connected with a combined head, and the other end of the connecting rod is provided with a wrenching head. The interior of the wrenching head is provided with a polygonal hole, and the interior of the hole is glidingly provided with a corresponding polygonal wrenching rod. The wrenching rod is provided with combined heads at both ends, and three combined heads are arranged below the combined head matching with the telescopic connecting rod. The utility model can increase the length of a force applying arm by utilizing any stretch of the telescopic connecting rod, and thus, the combined heads on both of the two ends of the wrenching rod can easily apply the force; in addition, a joint part is arranged between the wrenching head and the connecting rod. Thus, the wrenching head can be rotated and positioned leftward and rightward at 90 DEG. As a consequence, the wrench can be easily folded into the minimum volume when the wrench is not used.
Description
The utility model is about the spanner of the flexible connecting rod of a kind of tool, specially refers to a kind of spanner that can adjust force arm easily at this, has the high resiliency design, operates benefit easily; And it also can fold into spanner the shape, makes it have the benefit that is easy to collect, to eliminate the various troubles and inconvenience that spanner collection in the past takes up space.
General industry circle, automobile mostly must use the spanner of high torsion, utilize the spanner of this high torsion to reach the purpose of assembling-disassembling bolt or nut, existing spanner only tool one joint head, and the force arm of a regular length come drive sleeve, thus, can't adapt to diverse force situation in fact, moreover, various now spanners must provide sizable intensity to come for the powerful application of force, thereby mostly possesses big volume, the problem that collection takes up space, especially at the limited automobile in space, the puzzlement in the collection is arranged especially.
In view of commonly using spanner the shortcoming that can't adjust force arm, reach collection inconvenience is arranged, the purpose of this utility model is to provide the spanner of the flexible connecting rod of a kind of tool, to solve the shortcoming on the spanner structure commonly used.
The characteristics of the spanner of the flexible connecting rod of tool of the present utility model are: its extension bar is provided with telescopic unit, this telescopic unit mainly is concaved with polygonal hole in the extension bar free end, this polygonal hole can the identical polygon post of involutory shape, and the polygon post is provided with joint at free end;
And be provided with the fit end at the extension bar external end edge, this fit end be provided with a perforation with a ccontaining pearl body in wherein; One first shoulder is formed between extension bar and fit end, and other has a channel shaped to be formed in fit end front end;
The polygon post is provided with some potholes in place, relative pearl body position series;
One draw ring is set on the fit end slidably, and this draw ring has the inner face that one second shoulder is formed on draw ring, and other has an embeded slot to be formed on the draw ring inner face, and a spring is limited between first shoulder and second shoulder, and a C shape button then is embedded in groove.
Its body blind end is provided with pulling head, and pulling head is provided with the polygon perforation that runs through, and perforation can slip into for identical shaped tommy bar and place;
Tommy bar respectively extends joint head in two ends, this joint head is provided with steel ball, makes at the joint head that cooperates the flexible body of rod and forms three joint head structures.Its three joint head sizes are divided into 3/8 ＂, 1/4 ＂, 1/2 ＂.
Its pulling head is provided with counterbore at the axial location of perforation relatively, this counterbore must be by perforation, make counterbore below perforation, form an accommodation chamber, group is provided with elastomer and press part in the accommodation chamber, make elastomer can provide a default elastic force to give press part and contact plate stem, and counterbore free end group is established a cock body, so that counterbore is sealed.
The tommy bar middle section position is provided with groove, and this groove just can spring into involutory for press part, makes tommy bar be easy to be positioned the pulling head stage casing; In addition tommy bar two ora terminalis are provided with position limiting structure, and position limiting structure is respectively to be provided with the embedding hole at tommy bar two ora terminalis, and embedding is embedded with inserts in the hole, utilize the setting of two inserts and make tommy bar can not deviate from the scope of perforation when the slippage of the left and right sides.
Be provided with joint portion between pulling head and body, it mainly is provided with pivot piece, pivot groove at pulling head, body relative position place, and runs through between pivot piece, pivot groove and be pivoted with pivot, is provided with the node locating structure between pivot piece and pivot groove.Its node fixed structure is respectively to be provided with ratchet in pivot piece periphery bottom at least 180 degree scopes, then be provided with an accommodation space in the pivot groove in the position of relative ratchet, group is provided with elastomer and steel ball in this accommodation space, its elastomer one end butt accommodation space bottom, other end then push up the steel ball of pulling, make elastomer can provide a default elastic force to give steel ball, make the steel ball can be involutory with ratchet respectively, fold the effect of pulling head so that a node locating to be provided.
Learn by above-mentioned structure, the utility model main points have two: one, be the joint head particular design at tommy bar two ends, make the utility model after adjusting Telescopic joint rod length, can supply user's application of force easily, and the effect of getting twice the result with half the effort is arranged, and, and can be widely used in various sleeve in the joint head structure that cooperates three different sizes of spanner; Two, the utility model is not when using, need only promote tommy bar, make tommy bar be positioned to pull first side with position limiting structure, then rotate pulling head towards the tommy bar projected direction, make pulling head by joint portion and extension bar bend to 90 the degree spacing, and cooperating with telescopic unit retraction joint, the utility model is reached be easy to when spanner does not use fold shape to minimum, and then the advantage that has easy-to-collection, do not take up space.
Now be described in detail as follows in conjunction with preferred embodiment and accompanying drawing:
Fig. 1 is a decomposing schematic representation of the present utility model.
Generalized section when Fig. 2 is of the present utility model the use.(when telescopic unit discharges the polygon post)
Generalized section when Fig. 3 is of the present utility model the use.(telescopic unit adjustment location)
Fig. 4 is the action schematic diagram of the utility model tommy bar.
Generalized section when Fig. 5 is the utility model collection.
Fig. 6 is the schematic diagram that the utility model cooperates different tool heads.
10-pulling head 11-perforation
12-counterbore 13-elastomer
14-press part 15-cock body
16-pivot piece 161-ratchet
20-tommy bar 21-chamfering
22-groove 23-embedding hole
24-inserts 25-joint head
251-pearl body 30-body
31-pivot groove 32-pivot
33-elastomer 34-steel ball
51-polygonal hole 52-polygon post
520-pothole 53-fit end
531-perforation 532-first shoulder
533-groove 54-pearl body
55-joint 551-pearl body
56-draws 561-second shoulder
562-embeded slot 57-spring
58-C shape button 61 or 62-tool heads
See also shown in Fig. 1,2,3, it mainly establishes a telescopic unit in extension bar, and this telescopic unit connects and mainly is concaved with polygonal hole 51 in the extension bar free end, and this polygonal hole 51 can the identical polygon post 52 of involutory shape;
Its extension bar 30 external end edges are provided with fit end 53, this fit end 53 be provided with a perforation 531 with a ccontaining pearl body 54 in wherein; One first shoulder 532 is formed at 53 at extension bar 30 and fit end, and other has a groove 533 to be formed at fit end 53 front ends;
Polygon post 52 is provided with some potholes 520 in relative pearl body 54 position series, and polygon post 52 is provided with joint 55 at free end, and these joint 55 1 sides have a pearl body 551, for chimeric with the tool heads 61 or 62 of different types, as shown in Figure 6;
One draw ring 56 is set on the fit end 53 slidably, this draw ring 56 has the inner face that one second shoulder 561 is formed on draw ring 56, other has an embeded slot 562 to be formed on the inner face of draw ring 56, and a spring 57 is limited in 561 of first shoulder 532 and second shoulders, one C shape button 58 then is embedded in groove 533, making that draw ring 56 is unlikely is deviate from by fit end 53, and existence that can mat spring 57 and freely spurring at fit end 53, as shown in Figure 3, when draw ring 56 when normally not spurring the position, this pearl body 54 in fit end 53 is compeled to close in the pothole 520 that inwardly and stably is embedded in polygon post 52 by the inner face of draw ring 56, and polygon 52 can be located with respect to extension bar 30;
As shown in Figure 2, when pulling draw ring 56, when making embeded slot 562 and pearl body 54 relative, its pearl body 54 just discharges the location strength to polygon post 52, make polygon post 52 visual demands and pulling adjustment at random, when draw ring 56 was released, draw ring 56 just was subjected to the strength of spring 57 and gets back to the origin-location, pearl body 54 is located polygon post 52 by draw ring 56 inner face packings more once more, as shown in Figure 3.
Please cooperate Fig. 4 to see it, the utility model is provided with pulling head 10 in the blind end of body 30, and this pulling head 10 is provided with the polygon perforation 11 that runs through, and polygon perforation 11 can slip into for identical shaped tommy bar 20 and place;
Pulling head 10 is provided with counterbore 12 at the axial location of perforation 11 relatively, this counterbore 12 must be by perforation 11, make counterbore 12 below perforation 11, form an accommodation chamber, group is provided with elastomer 13 and press part 14 in this accommodation chamber, its elastomer 13 1 end butt counterbores 12 bottoms, other end then push up the press part 14 of having pulled, and make elastomer 13 can provide a default elastic force to give press part 14; And the utility model is established a cock body 15 in counterbore 12 free end groups in addition, so that with counterbore 12 sealings;
Tommy bar 20 two ends are provided with chamfering 21, enter in the perforation 11 in order to tommy bar 20, and are provided with groove 22 at tommy bar 20 middle section positions, and this groove 22 just can spring into involutory for press part 14, and making tommy bar 20 be easy to be positioned pulling head 10 stage casings provides the user to utilize; And 20 liang of ora terminalis of tommy bar are provided with position limiting structure, this position limiting structure respectively is provided with embedding hole 23 at 20 liang of ora terminalis of tommy bar, be embedded with inserts 24 in the embedding hole 23, utilize the setting of two inserts 24 and make tommy bar 20 when the slippage of the left and right sides, can not deviate from the scope of perforation 11, avoid caducous problem to occur;
Tommy bar 20 respectively extends joint head 25 in two ends, this joint head 25 is provided with steel ball 251, so that the utility model is under the joint head that cooperates flexible connecting rod and have three joint heads, can utilize any stretching, extension of flexible connecting rod and increase force arm length, the joint head 25 that makes tommy bar 20 two ends is the application of force easily, and above-mentioned three joint heads can be three kinds of different size (3/8 ＂, 1/4 ＂, 1/2 ＂), by these joint heads, and be able to use arbitrarily various sleeves (because various sleeves are because of the difference of size, and make it have 3/8 respectively "; 1/4 ＂; 1/2 ＂ size connect the hole).
Please cooperate Fig. 1,5 sights, the utility model is provided with a joint portion in pulling head 10 and 30 of bodys in addition, it is mainly at pulling head 10, body 30 relative position places are provided with pivot piece 16, pivot groove 31, and at pivot piece 16,31 of pivot grooves run through and are pivoted with a pivot 32, make pulling head 10 can on body 30, swing at least one 180 degree, its joint portion also is provided with the node locating structure, this node locating structure is that the scope of at least one 180 degree in the bottom of pivot piece 16 peripheries is provided with ratchet 161, then be provided with an accommodation space in the pivot groove 31 in the position of relative ratchet 161, group is provided with elastomer 33 and steel ball 34 in this accommodation space, its elastomer 33 1 end butt accommodation space bottoms, end then pushes up the steel ball 34 of pulling in addition, make elastomer 33 can provide a default elastic force to give steel ball 34, when rotating pulling head 10, make the steel ball 34 can be involutory with ratchet 161 respectively, fold the effect of pulling head so that a node locating to be provided.
Claims (8)
1. the spanner of the flexible connecting rod of a tool, its extension bar is provided with telescopic unit, and this telescopic unit mainly is concaved with polygonal hole in the extension bar free end, and this polygonal hole can the identical polygon post of involutory shape, and the polygon post is provided with joint at free end;
And be provided with the fit end at the extension bar external end edge, this fit end be provided with a perforation with a ccontaining pearl body in wherein; One first shoulder is formed between extension bar and fit end, and other has a channel shaped to be formed in fit end front end;
The polygon post is provided with some potholes in place, relative pearl body position series;
One draw ring is set on the fit end slidably, and this draw ring has the inner face that one second shoulder is formed on draw ring, and other has an embeded slot to be formed on the draw ring inner face, and a spring is limited between first shoulder and second shoulder, and a C shape button then is embedded in groove.
2. according to the spanner of the flexible connecting rod of the described tool of claim 1, its body blind end is provided with pulling head, and pulling head is provided with the polygon perforation that runs through, and perforation can slip into for identical shaped tommy bar and place;
Tommy bar respectively extends joint head in two ends, this joint head is provided with steel ball, makes at the joint head that cooperates the flexible body of rod and forms three joint head structures.
3. according to the spanner of the flexible connecting rod of the described tool of claim 2, its three joint head sizes are respectively 3/8 ＂, 1/4 ＂, 1/2 ＂.
4. according to the spanner of the flexible connecting rod of the described tool of claim 2, its pulling head is provided with counterbore at the axial location of perforation relatively, this counterbore must be by perforation, make counterbore below perforation, form an accommodation chamber, group is provided with elastomer and press part in the accommodation chamber, make elastomer can provide a default elastic force to give press part and contact plate stem, and counterbore free end group is established a cock body, so that counterbore is sealed.
5. according to the spanner of the flexible connecting rod of the described tool of claim 2, its tommy bar middle section position is provided with groove, and this groove just can spring into involutory for press part, makes tommy bar be easy to be positioned the pulling head stage casing;
Tommy bar two ora terminalis are provided with position limiting structure in addition.
6. the spanner of the flexible connecting rod of tool according to claim 2, position limiting structure is respectively to be provided with the embedding hole at tommy bar two ora terminalis, embedding is embedded with inserts in the hole, utilizes the setting of two inserts and makes tommy bar can not deviate from the scope of perforation when the slippage of the left and right sides.
7. according to the spanner of the flexible connecting rod of the described tool of claim 2, it is provided with joint portion between pulling head and body, it mainly is provided with pivot piece, pivot groove at pulling head, body relative position place, and runs through between pivot piece, pivot groove and be pivoted with pivot, is provided with the node locating structure between pivot piece and pivot groove.
8. according to the spanner of the flexible connecting rod of the described tool of claim 2, its node fixed structure is respectively to be provided with ratchet in pivot piece periphery bottom at least 180 degree scopes, then be provided with an accommodation space in the pivot groove in the position of relative ratchet, group is provided with elastomer and steel ball in this accommodation space, its elastomer one end butt accommodation space bottom, other end then push up the steel ball of pulling, make elastomer can provide a default elastic force to give steel ball, make the steel ball can be involutory with ratchet respectively, fold the effect of pulling head so that a node locating to be provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00259475 CN2461706Y (en) | 2000-12-06 | 2000-12-06 | Spanner with telescopic connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00259475 CN2461706Y (en) | 2000-12-06 | 2000-12-06 | Spanner with telescopic connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2461706Y true CN2461706Y (en) | 2001-11-28 |
Family
ID=33615484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00259475 Expired - Fee Related CN2461706Y (en) | 2000-12-06 | 2000-12-06 | Spanner with telescopic connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2461706Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463851B (en) * | 2007-12-20 | 2010-11-17 | 史丹利七和国际股份有限公司 | Telescopic connection rod |
| CN104552094A (en) * | 2013-10-17 | 2015-04-29 | 光红建圣股份有限公司 | Hand tool structure |
| CN111003334A (en) * | 2019-12-20 | 2020-04-14 | 吉林大学 | A packing carton for placing hemodialysis test tube |
-
2000
- 2000-12-06 CN CN 00259475 patent/CN2461706Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463851B (en) * | 2007-12-20 | 2010-11-17 | 史丹利七和国际股份有限公司 | Telescopic connection rod |
| CN104552094A (en) * | 2013-10-17 | 2015-04-29 | 光红建圣股份有限公司 | Hand tool structure |
| CN111003334A (en) * | 2019-12-20 | 2020-04-14 | 吉林大学 | A packing carton for placing hemodialysis test tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |