CN207953291U - A kind of hand-hydraulic clamp - Google Patents
A kind of hand-hydraulic clamp Download PDFInfo
- Publication number
- CN207953291U CN207953291U CN201820303917.2U CN201820303917U CN207953291U CN 207953291 U CN207953291 U CN 207953291U CN 201820303917 U CN201820303917 U CN 201820303917U CN 207953291 U CN207953291 U CN 207953291U
- Authority
- CN
- China
- Prior art keywords
- piston
- oil
- hydraulic
- hand
- oil pump
- 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
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a kind of hand-hydraulic clamps, including cylinder body, cylinder body rear and front end is respectively arranged with cylinder chamber and oil pump piston room, is connected by aperture between cylinder chamber and oil pump piston room, wherein, piston rod is set in cylinder chamber, piston rod end connects clamping jaw, equipped with hydraulic oil in oil pump piston room, when hand-hydraulic pump work, it pushes hydraulic oil in cylinder body and enters cylinder chamber, and then drive piston rod that clamping jaw is driven to execute pinching action.By by the Integrated design of hydraulic hand-pump and oil cylinder, solves the problems, such as oil cylinder hydraulic source, to make the clamp can apply to the equipment without hydraulic power source such as machine tool, and compact-sized, using flexible, horizontal and vertical both direction clamping force can be provided, reduce production cost.
Description
Technical field
The utility model is related to Hydraulic Fields, and in particular to a kind of hand-hydraulic clamp.
Background technology
In daily production, clamp be it is a kind of being widely used general mechanical processing technique equipment, common clamp is divided into general
Logical mechanical and fluid pressure type.Standard machinery formula clamp, such as parallel jaw have convenient for disassembly and assembly, mechanical grip, to distinct device
The advantages that versatility is good, but it is larger and general compared with small workpiece to the larger workpiece of size or thickness to exist simultaneously volume, weight
Property is poor, and can only be laterally-clamped the shortcomings of；Hydraulic clamp is generally matched with machining center, compact-sized, clamping
Power is reliable and stable, is convenient for tool module design and automatic improving, hydraulic clamp to have certain damping effect, but need to match
Standby special hydraulic station, higher operating costs are not used to machine tool or are not equipped with the numerically-controlled machine tool of hydraulic station.
Therefore, the prior art also needs to be further improved and develop.
Utility model content
The purpose of this utility model is to provide for a kind of hand-hydraulic clamp, it is intended to solve prior art poor universality,
Problem of high cost.
Used technical solution is：A kind of hand-hydraulic clamp, including cylinder body, cylinder body rear and front end are respectively arranged with oil
Cylinder chamber and oil pump piston room, are connected between cylinder chamber and oil pump piston room by aperture, wherein piston rod is set in cylinder chamber,
Piston rod end connects clamping jaw, and hydraulic oil is housed in oil pump piston room, when hand-hydraulic pump work, in pushing cylinder body hydraulic oil into
Enter cylinder chamber, and then drives piston rod that clamping jaw is driven to execute pinching action.
It is provided in oil pump piston room for pushing the piston of hydraulic oil, the screw rod being connect with piston, being set to oil pump
The nut being connect with screw flight on the outside of piston chamber, screw rod opposing nut revolve shifting into oil pump piston room, and band piston moves, into
And it pushes hydraulic oil in oil pump piston room and enters cylinder chamber.
The holding screw for locking screw position is provided on nut, nut side wall is provided with for coordinating holding screw
Screw hole, the screw hole penetrate through nut side wall.
External screw thread is arranged in nut outer wall, and oil pump piston chamber interior walls are provided with the internal thread coordinated with external screw thread, and nut passes through
The oil pump piston room positions Gang Kou are fixed in internal thread and externally threaded cooperation.
Piston corresponds to screw rod connecting pin and is provided with cylindrical hole slot, and screw rod connecting pin is inserted into the cylindrical hole slot of piston
It is interior, wherein the setting of the junction of screw rod and piston is used to fix the steel ball of the two connection, and corresponding to steel ball in screw rod respective end sets
It is equipped with the first annular groove around screw rod periphery, steel ball is provided with wound hole groove groove wall second is corresponded on cylindrical hole slot internal groove side wall
Annular groove.
The contact surface that clamping jaw corresponds to piston rod is the inclined-plane mutually coincideing.
The angle of inclination of the contact surface of clamping jaw and piston rod is 18.5 degree.
Clamping jaw is connect with piston rod by resetting block, and the contact surface of clamping jaw and piston rod is equipped with to be resetted for installing
The rectangular channel of block, resetting block both ends are connect by straight pin with clamping jaw and piston rod respectively.
The first O-ring for sealing oil pump piston chamber and piston space contact gap is provided on piston lateral wall；Oil cylinder
Interior is provided with oil sealing, and oil cylinder chamber interior walls correspond to oil sealing and are provided with oil seal groove, are provided with for Seal Oil on piston rod lateral wall
Second O-ring of contact gap between cylinder chamber and piston rod.
Cylinder body carries out position by fixing bolt and fixes, and is provided in the middle part of cylinder body logical for coordinating with fixing bolt
Hole, cylinder base are provided with for being used for clamp guiding and the square boss of lateral register with what platform of machine tool T-slot coordinated.
Advantageous effect：The utility model provides a kind of novel manual hydraulic clamp, by by hydraulic hand-pump and oil cylinder
Integrated design solves the problems, such as oil cylinder hydraulic source, to make the clamp can apply to the equipment without hydraulic power source such as machine tool,
And compact-sized, using flexible, horizontal and vertical both direction clamping force can be provided, reduce production cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of hand-hydraulic clamp in the utility model specific embodiment.
Fig. 2 is the cross section structure schematic diagram of hand-hydraulic clamp in the utility model specific embodiment.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.
A kind of hand-hydraulic clamp as shown in Figure 1 and Figure 2, including cylinder body 100,100 rear and front end of cylinder body are respectively arranged with
Cylinder chamber 200 and oil pump piston room 300, are connected between cylinder chamber 200 and oil pump piston room 300 by aperture, wherein cylinder chamber
Piston rod 210 is set in 200, and 210 end of piston rod connects clamping jaw 400, hydraulic oil, manual liquid are housed in oil pump piston room 300
When press pump works, pushes hydraulic oil in cylinder body 100 and enter cylinder chamber 200, and then drive piston rod 210 that clamping jaw 400 is driven to execute
Pinching action.
The screw rod for pushing the piston 310 of hydraulic oil, being connect with piston 310 is provided in oil pump piston room 300
320, it is set to the nut 330 that the outside of oil pump piston room 300 is threadedly coupled with screw rod 320,320 opposing nut 330 of screw rod is to oil
300 inward turning of pump piston room is moved, and band piston 310 moves, and then is pushed hydraulic oil in oil pump piston room 300 and entered cylinder chamber 200.
The holding screw 331 for 320 position of locking screw is provided on nut 330, to play locking effect, spiral shell
Female 330 side walls are provided with the screw hole for coordinating holding screw 331, which penetrates through 330 side wall of nut.330 outer wall of nut is set
External screw thread is set, 300 inner wall of oil pump piston room is provided with the internal thread coordinated with external screw thread, and nut 330 passes through internal thread and outer spiral shell
300 cylinder mouth position of oil pump piston room is fixed in the cooperation of line.
Piston 310 corresponds to 320 connecting pin of screw rod and is provided with cylindrical hole slot, and 320 connecting pin of screw rod is inserted into piston 310
In cylindrical hole slot, wherein the steel ball 340 that screw rod 320 is connect with the setting of the junction of piston 310 for fixing the two, screw rod
Steel ball 340 is corresponded in 320 respective ends is provided with the first annular groove around 320 periphery of screw rod, it is right on cylindrical hole slot internal groove side wall
Steel ball 340 is answered to be provided with the second annular groove of wound hole groove groove wall.
The contact surface that clamping jaw 400 corresponds to piston rod 210 is the inclined-plane mutually coincideing.Clamping jaw 400 and piston rod 210
The angle of inclination of contact surface is 18.5 degree, and a size is generated about while so that clamping jaw 400 is clamped workpiece in the horizontal direction
For the component straight down of horizontal direction clamping force 1/3, keep piece-holder more secured.Clamping jaw 400 passes through multiple with piston rod 210
Position block 500 connects, and the contact surface of clamping jaw 400 and piston rod 210 is equipped with the rectangular channel for installing resetting block 500, multiple
Position 500 both ends of block are connect by straight pin 600 with clamping jaw 400 and piston rod 210 respectively.210 diameter of piston rod is more than piston 310
Diameter, to play the role of labour-saving.
The first O for contact gap between sealing oil pump piston chamber 300 and piston 310 is provided on 310 lateral wall of piston
Type circle 350；Oil sealing 220 is provided in cylinder chamber 200,200 inner wall of cylinder chamber corresponds to oil sealing and is provided with oil seal groove, piston rod 210
The second O-ring 230 for contact gap between Seal Oil cylinder chamber 200 and piston rod 210 is provided on lateral wall.
Cylinder body 100 carries out position by fixing bolt and fixes, and the middle part of cylinder body 100 is provided with for coordinating with fixing bolt
Through-hole, 100 bottom of cylinder body be provided with for platform of machine tool T-slot coordinate for clamp be oriented to and lateral register it is rectangular
Boss carries out guiding and lateral register with the cooperation of platform of machine tool T-slot.100 outside of cylinder body is provided with shield 600, and shield 600 is logical
It crosses rivet 700 and is fastened on 100 outside of cylinder body.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (10)
1. a kind of hand-hydraulic clamp, which is characterized in that including cylinder body, the cylinder body rear and front end be respectively arranged with cylinder chamber and
Oil pump piston room is connected between cylinder chamber and oil pump piston room by aperture, wherein piston rod, institute are arranged in the cylinder chamber
Piston rod end connection clamping jaw is stated, hydraulic oil is housed in the oil pump piston room, when hand-hydraulic pump work, liquid in pushing cylinder body
Pressure oil enters cylinder chamber, and then drives piston rod that clamping jaw is driven to execute pinching action.
2. hand-hydraulic clamp according to claim 1, which is characterized in that be provided in the oil pump piston room for pushing
The piston of hydraulic oil, the screw rod being connect with piston are set to the nut that oil pump piston outside is connect with screw flight, screw rod
Opposing nut revolves shifting into oil pump piston room, and band piston moves, and then pushes hydraulic oil in oil pump piston room and enter cylinder chamber.
3. hand-hydraulic clamp according to claim 2, which is characterized in that be provided on the nut for locking screw position
The holding screw set, the nut side wall are provided with the screw hole for coordinating holding screw, which penetrates through nut side wall.
4. hand-hydraulic clamp according to claim 2, which is characterized in that external screw thread, the oil is arranged in the nut outer wall
Pump piston chamber interior walls are provided with the internal thread coordinated with external screw thread, and the nut is fixed on by internal thread and externally threaded cooperation
The oil pump piston room positions Gang Kou.
5. hand-hydraulic clamp according to claim 2, which is characterized in that the piston corresponds to screw rod connecting pin and is provided with circle
Cylindricality hole slot, the screw rod connecting pin are inserted into the cylindrical hole slot of piston, wherein the junction of the screw rod and piston is set
The steel ball for fixing the two connection is set, steel ball is corresponded in the screw rod respective end and is provided with the first ring for surrounding screw rod periphery
Slot corresponds to the second annular groove that steel ball is provided with wound hole groove groove wall on the cylinder hole slot internal groove side wall.
6. hand-hydraulic clamp according to claim 1, which is characterized in that the clamping jaw corresponds to the contact surface of piston rod
For mutually identical inclined-plane.
7. hand-hydraulic clamp according to claim 6, which is characterized in that the contact surface of the clamping jaw and piston rod
Angle of inclination is 18.5 degree.
8. hand-hydraulic clamp according to claim 6, which is characterized in that the clamping jaw is connected with piston rod by resetting block
It connects, the contact surface of the clamping jaw and piston rod is equipped with the rectangular channel for installing resetting block, the resetting block both ends point
It is not connect with clamping jaw and piston rod by straight pin.
9. hand-hydraulic clamp according to claim 2, which is characterized in that be provided on the piston lateral wall for sealing
First O-ring of oil pump piston room and piston space contact gap；Oil sealing is provided in the cylinder chamber, oil cylinder chamber interior walls correspond to oil
Envelope is provided with oil seal groove, and second for contact gap between Seal Oil cylinder chamber and piston rod is provided on the piston rod lateral wall
O-ring.
10. hand-hydraulic clamp according to claim 1, which is characterized in that the cylinder body carries out position by fixing bolt
It is fixed, it is provided with the through-hole for coordinating with fixing bolt in the middle part of the cylinder body, the cylinder base, which is provided with, to be used for and machine
The cooperation of bed platform T-slot is used for clamp guiding and the square boss of lateral register.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303917.2U CN207953291U (en) | 2018-03-06 | 2018-03-06 | A kind of hand-hydraulic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303917.2U CN207953291U (en) | 2018-03-06 | 2018-03-06 | A kind of hand-hydraulic clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207953291U true CN207953291U (en) | 2018-10-12 |
Family
ID=63741176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820303917.2U Active CN207953291U (en) | 2018-03-06 | 2018-03-06 | A kind of hand-hydraulic clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207953291U (en) |
-
2018
- 2018-03-06 CN CN201820303917.2U patent/CN207953291U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205001692U (en) | A seal structure for bayonet pipeline clamp locking joint | |
| CN207953291U (en) | A kind of hand-hydraulic clamp | |
| CN107486568A (en) | A kind of machine tool hydraulic chuck | |
| CN106969002A (en) | Two-stage double-act-ing hydraulic J-Horner | |
| CN104708446A (en) | Method for using positioning clamp for groove milling and drilling of outer circle of cylinder | |
| CN103433836A (en) | End face positioning external locking device for cylinder sleeve inner bore honing | |
| CN204901164U (en) | Quick -operation joint valve | |
| CN105135098A (en) | Sealing structure for inserted pipeline hoop locking connection | |
| CN107363313B (en) | A kind of milling head special fixture of numerically-controlled machine tool | |
| CN203124872U (en) | Hobbing fixture | |
| CN104526430B (en) | Turning accuracy method orchid workpiece special tooling | |
| CN203918488U (en) | A kind of hydraulically operated fixture for the processing of thin wall cylindrical part | |
| CN203696537U (en) | Multilevel uniform deformation elastic positioning clamping device | |
| CN103639725A (en) | Cylindrical turning positioning tool | |
| CN204470994U (en) | Controllable rotating processing unit (plant) | |
| CN218934900U (en) | Telescopic positioning device with phase locking function | |
| CN202668106U (en) | Ball valve body side processing fixture | |
| CN207289538U (en) | A kind of support arm fast positioning clamping device | |
| CN112692595A (en) | Sleeve type center frame for thin-wall long-cylinder part machining | |
| CN210909119U (en) | Multifunctional hydraulic clamp | |
| CN212122448U (en) | Clamp for machining | |
| CN205870061U (en) | Hydraulic pressure clamping sets | |
| CN209856388U (en) | End connection valve of working accessory | |
| CN203918576U (en) | Auxiliary air passage frock | |
| CN216200432U (en) | Piston rod for press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |