CN2376361Y - Ratchet wrench - Google Patents
Ratchet wrench Download PDFInfo
- Publication number
- CN2376361Y CN2376361Y CN 99231528 CN99231528U CN2376361Y CN 2376361 Y CN2376361 Y CN 2376361Y CN 99231528 CN99231528 CN 99231528 CN 99231528 U CN99231528 U CN 99231528U CN 2376361 Y CN2376361 Y CN 2376361Y
- Authority
- CN
- China
- Prior art keywords
- wrench
- ratchet
- socket
- wrench body
- hole
- 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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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a ratchet wrench which comprises a wrench body and a wrench socket. The utility model is characterized in that the wrench socket is formed by coaxially integrating a socket into a ratchet wheel which is arranged at the middle part, wherein, the size of both ends of the socket is different. A through hole which is arranged at the end part of the wrench body is sheathed on a ratchet wheel of the wrench socket, and the wrench body is provided with a pawl mechanism. The utility model has the advantage of simple structure. Low cost, high efficiency, convenient carrying, strong versatility, etc. The wrench can be controlled to rotate in two-way without disassembling the wrench, and a screw cap can be optionally clamped to be operated. So the utility model can be very convenient to operate.
Description
The utility model relates to a kind of spanner, particularly a kind of ratchet spanner that is used to build with mechanical field.
Existing spanner generally is back-up wrench or monkey wrench, and these spanners exist use very inconvenience and the very low deficiency of operating efficiency.The relevant technologies personnel have developed a kind of ratchet spanner for this reason, and it mainly is made up of the mandrel of spanner handle, sleeve and band ratchet, during use, must earlier mandrel be inserted in the spanner handle, again with jacket casing on mandrel, just can operate then; This ratchet spanner is time spent not at ordinary times, and the scattered placement of parts is carried very inconvenient, and because connecting portion is too much, and the gap is bigger between the parts, so after using a period of time, can cause the connection of each parts loose, the phenomenon that parts come off takes place often; This ratchet spanner can only one-way operation, if want the alter operation direction, just must first sleeve be taken off, and the mandrel reverses its direction is installed, and overlaps upper bush again and could work, and it is very inconvenient to operate; Another deficiency of this ratchet spanner is: because the card contact of its ratchet back-moving spring and ratchet is on the same axis, therefore when hour by the friction between the nut of degree of tightness and screw rod, the counter-rotating of spanner handle can make nut follow sleeve and rotate together, like this, spanner handle all makes nut rotate with sleeve no matter just changeing still counter-rotating, do not reach the purpose of degree of tightness nut, the user can only operate with hand, thereby causes operating efficiency greatly to reduce, and artificial waste is serious.
The purpose of this utility model just provide a kind of simple in structure, be easy to carry and easy to operate ratchet spanner.
The purpose of this utility model is to realize by such technical scheme, it includes wrench body and wrench socket, it is characterized in that: wrench socket is to be configured as one by the different sleeve of two ends size and the coaxial ratchet at middle part, the through hole that is provided with in the end of wrench body is socketed on the ratchet of wrench socket, and wrench body is provided with detent mechanism.The wrench socket that is enclosed within on the wrench body can only rotate with respect to the axis of wrench body around self, and can not move with respect to wrench body along the axis of himself, during use, only need jacket casing on nut, according to the degree of tightness direction of nut, block ratchet on the wrench socket by detent mechanism, wrench socket is rotated with wrench body, wrench socket drives nut again and rotates, to reach the purpose of degree of tightness nut.
Owing to adopted technique scheme, the utlity model has simple in structure, cost is low, efficient is high, be easy to carry and advantage such as highly versatile, need not dismantle spanner, just can control the two-way rotation of spanner, arbitrarily blocks nut to operate, and uses very convenient.
Description of drawings of the present utility model is as follows:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A cutaway view among Fig. 1.
Among the figure: 1. wrench body; 2. sleeve; 3. ratchet; 4. through hole; 5. arc ratchet; 6. pivot pin; 7. stage clip; 8. control hole; 9. guiding hole; 10. steel ball; 11. anti-slop serrations.
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, 2, the utility model includes wrench body 1 and wrench socket, it is characterized in that: wrench socket is by the different sleeve 2 of two ends size and the ratchet 3 coaxial one that are configured as at middle part, the through hole 4 that is provided with in the end of wrench body 1 is socketed on the ratchet 3 of wrench socket, and wrench body 1 is provided with detent mechanism.The wrench socket that is enclosed within on the wrench body 1 can only rotate with respect to the axis of wrench body 1 around self, and can not move with respect to wrench body 1 along the axis of himself, and as integration product, it carries very convenient; During use, only need sleeve 2 is enclosed within on the nut, according to the degree of tightness direction of nut, block ratchet 3 on the wrench socket by detent mechanism, wrench socket is rotated with wrench body 1, wrench socket drives nut again and rotates, to reach the purpose of degree of tightness nut.
As shown in Figure 2, detent mechanism includes arc ratchet 5, pivot pin 6 and stage clip 7, it is that through hole 4 one sides on wrench body 1 have control hole 8, control hole 8 communicates with through hole 4 by the slotted eye that is provided with in it, arc ratchet 5 links to each other with wrench body 1 by pivot pin 6 in control hole 8, one end of stage clip 7 inserts and is arranged in the guiding hole 9 of wrench body 1, and the other end is against on the arc ratchet 5 by steel ball 11.Arc ratchet 5 can rotate around pivot pin 6, during use, can stir arc ratchet 5 according to nut degree of tightness direction, under the effect of stage clip 7, its end is meshed with ratchet 3 on the wrench socket by slotted eye, arc ratchet 5 can be the solid line position among Fig. 2, also can be the dotted line position among Fig. 2, thereby reaches the purpose of blocking ratchet 3; No matter this detent mechanism nut and screw rod are pines or tight, when wrench body 1 counter-rotating, arc ratchet 5 causes the arc ratchet because of the pine card that do not stress with relatively rotating of ratchet 3, and nut is not rotated with wrench body 1, to reach the purpose of degree of tightness nut, very convenient to use.
As shown in Figure 2, for the ease of the banding nut, two different sleeve 2 inwalls on the wrench socket can be provided with anti-slop serrations 11; The cross section of two different sleeve 2 inwalls on the wrench socket also can be regular polygon.
As shown in Figure 1, for the ease of prizing stingy apparatus, the tail end of wrench body is pointed.
Claims (5)
1. ratchet spanner, include wrench body (1) and wrench socket, it is characterized in that: wrench socket is the coaxial one that is configured as of ratchet (3) by different sleeve of two ends size (2) and middle part, the through hole (4) that is provided with in the end of wrench body (1) is socketed on the ratchet (3) of wrench socket, and wrench body (1) is provided with detent mechanism.
2. ratchet spanner as claimed in claim 1, it is characterized in that: detent mechanism includes arc ratchet (5), pivot pin (6) and stage clip (7), it is that through hole (4) one sides on wrench body (1) have control hole (8), control hole (8) communicates with through hole (4) by the slotted eye that is provided with in it, arc ratchet (5) links to each other with wrench body (1) by pivot pin (6) in control hole (8), one end of stage clip (7) inserts and is arranged in the guiding hole (9) of wrench body (1), and the other end is against on the arc ratchet (5) by steel ball (10).
3. as claim 1,2 described ratchet spanneres, it is characterized in that: two different sleeve (2) inwalls on the wrench socket are provided with anti-slop serrations (11).
4. as claim 1,2 described ratchet spanneres, it is characterized in that: the cross section of two different sleeve (2) inwalls on the wrench socket is a regular polygon.
5. as claim 1,2 described ratchet spanneres, it is characterized in that: the tail end of wrench body is pointed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99231528 CN2376361Y (en) | 1999-04-28 | 1999-04-28 | Ratchet wrench |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99231528 CN2376361Y (en) | 1999-04-28 | 1999-04-28 | Ratchet wrench |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2376361Y true CN2376361Y (en) | 2000-05-03 |
Family
ID=34020372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 99231528 Expired - Fee Related CN2376361Y (en) | 1999-04-28 | 1999-04-28 | Ratchet wrench |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2376361Y (en) |
-
1999
- 1999-04-28 CN CN 99231528 patent/CN2376361Y/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 | ||
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 |