CN208420336U - A kind of spring jump bit - Google Patents
A kind of spring jump bit Download PDFInfo
- Publication number
- CN208420336U CN208420336U CN201821219416.2U CN201821219416U CN208420336U CN 208420336 U CN208420336 U CN 208420336U CN 201821219416 U CN201821219416 U CN 201821219416U CN 208420336 U CN208420336 U CN 208420336U
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- frame body
- front frame
- block
- limiting drum
- pull rod
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Abstract
The utility model relates to a kind of spring jump bits, it is characterized in that including position-limiting drum, front frame body, back frame body, upper mounted plate, bottom plate, pull rod, impact head, spacing head, spring, trigger assembly, it is wherein offered on position-limiting drum and wears hole, position-limiting drum, front frame body and back frame body are successively disposed side by side on bottom plate, upper mounted plate distinguish both ends respectively with position-limiting drum, connect at the top of back frame body, and make to connect at the top of front frame body with upper mounted plate middle part, on pull rod is set in the middle part of front frame body and back frame body, spring pocket is on the pull rod between position-limiting drum and front frame body, spacing head is arranged in the tie rod end between position-limiting drum and front frame body, impact head sliding, which is inlaid in, to be worn in hole and connects with spacing head, trigger assembly acts on pull rod.The utility model have many advantages, such as scientific structure design rationally, high reliablity, long service life, can greatly improve product strength test precision and accuracy.
Description
Technical field
The utility model relates to trier field, especially a kind of spring jump bit.
Background technique
Currently, generally requiring carry out strength test after the completion of some product manufacturings, i.e., being carried out to the structural strength of product
Detection, such as shell, operating stick, handle, knob, indicator light, signal lamp, lampshade, the glass etc. on product are carried out mechanical strong
The detection of degree.Existing detection method is to observe by the naked eye to detect with hammer percussion mode mostly, and this detection mode is easily
It is verified the influence of personnel's experience, therefore the precision and accuracy examined are very low.Although occurring mechanical strength inspection now
Survey utensil, but existing intensity detection utensil the deficiencies of there is also self-deformation, poor reliability, short service lifes.
Utility model content
Utility model aims to solve the above problems and deficiency, provide a kind of spring jump bit, spring impact
Hammer have the advantages that scientific structure design rationally, high reliablity, long service life, can greatly improve product strength test essence
Degree and accuracy.
The technical solution of the utility model is achieved in that
A kind of spring jump bit, it is characterized in that include position-limiting drum, front frame body, back frame body, upper mounted plate, bottom plate,
Pull rod, impact head, spacing head, spring, trigger assembly wherein offer on position-limiting drum and wear hole, the position-limiting drum, front frame body with
Back frame body is successively disposed side by side on bottom plate, and makes to wear hole aperture towards front frame body, and fixed plate distinguishes both ends
Connect respectively at the top of position-limiting drum, back frame body, and make to connect at the top of front frame body with upper mounted plate middle part, the pull rod can be along its axis
To on being movably set in the middle part of front frame body and back frame body, the spring pocket is mounted on the pull rod between position-limiting drum and front frame body,
The spacing head is arranged in the tie rod end between position-limiting drum and front frame body, and so that both ends of the spring is distinguished elastic reaction and limiting
Head is on front frame body, and the impact head is slided to be inlaid in and be worn in hole, and impact head is made to connect with spacing head, the trigger assembly
Including triggering cylinder, connecting rod, triggering block, fixture block, locating piece, mounting rack are swung, the both ends of the mounting rack are connected to side arm
On body and after-frame body sidewall, the triggering cylinder sliding sleeve is mounted in the outer end of position-limiting drum, and described connecting rod one end is hinged on triggering cylinder,
Described swing fixture block one end is hinged on mounting rack, offers locating groove, the triggering block on the inner wall for swinging fixture block
It is hinged on mounting rack, and triggering block outer end is made to be hinged with the connecting rod other end, triggering block inner end is also made to press against swing fixture block
On other end outer wall, the locating piece is sleeved on the pull rod between front frame body and back frame body, and makes locating piece embedded at positioning
In card slot.
On the basis of above-mentioned, to further increase the convenience that pull rod operates, in the tie rod end on the outside of back frame body
Equipped with balanced handle.
On the basis of above-mentioned, for the reliability and security for further increasing spring jump bit, the spring jump bit
Further include protection cylinder, the protection cylinder both ends are set on position-limiting drum and back frame body, and make front frame body, upper mounted plate, under
Fixed plate and mounting rack are located in protection cylinder.
On the basis of above-mentioned, to further increase pull rod mobile stability and accuracy, the front frame body and after-frame
It is respectively equipped with linear bearing on body, and is set in pull rod respectively on the linear bearing on front frame body and back frame body.
On the basis of above-mentioned, for the scope of application for further increasing spring jump bit, between position-limiting drum and front frame body
Tie rod end on offer external thread part, the spacing head is screwed onto the middle part of external thread part, and the spacing head is screwed onto outer spiral shell
On line portion end.
On the basis of above-mentioned, for the reliability for further increasing spring jump bit, the mounting rack include upper fixed block,
Lower fixed block, the first articulated shaft, the second articulated shaft, the first limit shaft, the second limit shaft, the upper fixing block and lower fixed block two
End is separately fixed on front frame body and back frame body, and the both ends of first articulated shaft and the second articulated shaft are connected to fixation
On block and lower fixed block, the triggering block movable set is on the first articulated shaft, and the swing fixture block movable set is in the second hinge
In spindle, first limit shaft is arranged in by the medial side of triggering block, and the first limit shaft is made to be located at one close to front frame body
Side is connected to the first limit shaft both ends on fixed block and lower fixed block, and second limit shaft is arranged in swing
On the outside of the fixture block other end, and it is connected to the second limit shaft both ends on fixed block and lower fixed block.
The utility model has the beneficial effects that when in use, by the way that spacing head pressure can be made to pulling pull rod on the outside of back frame body
Contracting spring, to accumulate elastic potential energy.It, can be by swinging fixture block to fixed when the locating piece on pull rod is moved to and swings at fixture block
Position block plays good position-limiting action.Since triggering cylinder is sliding sleeve on position-limiting drum outer end, when making to trigger cylinder and tested
When the workpiece contact of examination, triggering cylinder is contacted and is moved with workpiece first；Then triggering cylinder just will drive pull rod, be moved through in pull rod
Cheng Zhong will be such that triggering block outer end swings；When triggering block outer end is swung, so that it may so that its inner end is swung；
When triggering block inner end is swung, so that it may so that triggering block inner end is removed from swing fixture block other end outer wall, thus can
Make to swing the power that fixture block loses limit, swing fixture block in this way can be achieved with swinging, so that locating groove be made to be detached from locating piece.In this way
Pull rod can be mobile to impact head side under the elastic reaction of spring, thus impact head can be pushed to do percussion action, into
And impact head can be made to strike on workpiece, with the structural strength of test piece.Since the degree of the every second compression of spring is identical
, thus the elastic acting force of spring be also it is identical, the shock of such impact head is also identical.To be rushed by the spring
Hammer is detected the influence that not will receive worker operation experience to the intensity of workpiece, this can greatly improve the precision and standard of test
True property.Since position-limiting drum, front frame body and back frame body are arranged on bottom plate, and position-limiting drum, front frame body and back frame body top
Portion is connected with upper mounted plate, and the upper and lower ends of such position-limiting drum, front frame body and back frame body all realize stationary positioned, and energy
Effectively enhance the structural strength of position-limiting drum, front frame body and back frame body.Since pull rod is set on front frame body and back frame body,
The reliability of pull rod installation positioning can be improved in this way, and each component is more uniformly stressed on enabled spring jump bit, even if
Under prolonged use, the case where internal component of spring jump bit deforms, the knot of the spring jump bit also can be avoided
Structure design is very scientific and reasonable, and then can effectively improve the service life of spring jump bit.By being opened up on position-limiting drum
Hole is worn out, and makes impact head sliding flush-mounted in wearing in hole, can play effectively position-limiting action to impact head in this way, so as to
It improves and impacts cephalomotor accuracy and stability, and then help to improve the reliability of spring jump bit.Due to trigger assembly
Including triggering cylinder, connecting rod, triggering block, fixture block, locating piece, mounting rack are swung, and triggers cylinder movable set on position-limiting drum, this
Sample can improve the accuracy of triggering, to help to improve the reliability of spring jump bit.Since locating piece is sleeved on pull rod,
And the locating groove swung on fixture block can be installed on locating piece, be can act on and swung on fixture block also by triggering block,
And triggering block is to be connected by connecting rod with triggering cylinder, the movable accuracy of triggering block can be effectively improved in this way, to help
The movable accuracy of fixture block is swung in improving, and then helps to improve the movable accuracy of connecting rod, can thus be effectively improved
The reliability of spring jump bit.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the schematic cross-sectional view of the utility model.
Fig. 3 is one of the partial structure diagram of the utility model.
Fig. 4 is the two of the partial structure diagram of the utility model.
Specific embodiment
As shown in Fig. 2 and Fig. 4, a kind of spring jump bit described in the utility model, including position-limiting drum 1, front frame body 2, after
Frame body 3, upper mounted plate 4, bottom plate 5, pull rod 6, impact head 7, spacing head 8, spring 9, trigger assembly 10, wherein such as Fig. 2 institute
Show, is offered on the position-limiting drum 1 and wear hole 11；As shown in Figures 2 to 4, the position-limiting drum 1, front frame body 2 and back frame body 3 according to
It is secondary to be disposed side by side on bottom plate 5, and make to wear 11 aperture of hole towards front frame body 2, fixed plate 4 distinguishes both ends difference
Connect at the top of position-limiting drum 1, back frame body 3, and make the top of front frame body 2 with connect in the middle part of upper mounted plate 4, the pull rod 6 can be along it
It is axially movably set on 3 middle part of front frame body 2 and back frame body, the spring 9 is sleeved between position-limiting drum 1 and front frame body 2
On pull rod 6, the spacing head 8 is arranged on 6 end of pull rod between position-limiting drum 1 and front frame body 2, and distinguishes 9 both ends of spring
In spacing head 8 and front frame body 2, the sliding of impact head 7 is inlaid in be worn in hole 11 elastic reaction, and makes impact head 7 and limit
Potential head 8 connects；As shown in Fig. 2 and Fig. 4, the trigger assembly 10 includes triggering cylinder 101, connecting rod 102, triggering block 103, swings card
Block 104, locating piece 105, mounting rack 106, the both ends of the mounting rack 106 are connected to front frame body 2 and 3 side wall of back frame body
On, triggering 101 sliding sleeve of cylinder is mounted in the outer end of position-limiting drum 1, and described 102 one end of connecting rod is hinged on triggering cylinder 101, described
It swings 104 one end of fixture block to be hinged on mounting rack 106, offers locating groove 140, institute on the inner wall for swinging fixture block 104
It states triggering block 103 to be hinged on mounting rack 106, and 103 outer end of triggering block is made to be hinged with 102 other end of connecting rod, also make to trigger
103 inner end of block, which presses against, to be swung on 104 other end outer wall of fixture block, the locating piece 105 be sleeved on front frame body 2 and back frame body 3 it
Between pull rod 6 on, and make locating piece 105 in the locating groove 140.Wherein, Fig. 3 is that structure shown in Fig. 2 does not cut open state
Under remove the structural schematic diagram of protection cylinder 20；And Fig. 4 looks up direction and does not cut open and removes protection cylinder under state for structure shown in Fig. 2
20 structural schematic diagram.When in use, by the way that 8 compressed spring 9 of spacing head can be made to pulling pull rod 6 on the outside of back frame body 3, from
And accumulate elastic potential energy.It, can be right by swinging fixture block 104 when the locating piece 105 on pull rod 6 is moved to and swings at fixture block 104
Locating piece 105 plays good position-limiting action.Since triggering cylinder 101 is sliding sleeve on 1 outer end of position-limiting drum, when making to touch
When hair cylinder 101 and tested workpiece contact, triggering cylinder 101 is contacted and is moved with workpiece first；Then triggering cylinder 101 will band
Dynamic pull rod 6 will be such that 103 outer end of triggering block swings in 6 moving process of pull rod；It is swung in 103 outer end of triggering block
When, so that it may so that its inner end is swung；When 103 inner end of triggering block is swung, so that it may so that 103 inner end of triggering block is from pendulum
It is removed on dynamic 104 other end outer wall of fixture block, can thus make to swing the power that fixture block 104 loses limit, in this way swing fixture block 104 just
It is able to achieve swing, so that locating groove 140 be made to be detached from locating piece 105.Pull rod 6 can be under the elastic reaction of spring 9 in this way
It is mobile to 7 side of impact head, so that impact head 7 can be pushed to do percussion action, and then impact head 7 can be made to strike workpiece
On, with the structural strength of test piece.Due to, the degree of the every second compression of spring 9 be it is identical, so the elastic reaction of spring 9
Power be also it is identical, the shock of such impact head 7 is also identical.To be carried out by intensity of the spring jump bit to workpiece
Detection not will receive the influence of worker operation experience, this can greatly improve the precision and accuracy of test.Due to position-limiting drum 1, preceding
Frame body 2 and back frame body 3 are arranged on bottom plate 5, and are and upper fixation at the top of position-limiting drum 1, front frame body 2 and back frame body 3
What plate 4 connected, the upper and lower ends of such position-limiting drum 1, front frame body 2 and back frame body 3 all realize stationary positioned, and can effectively increase
The structural strength of strong position-limiting drum 1, front frame body 2 and back frame body 3.Since pull rod 6 is set on front frame body 2 and back frame body 3, this
Sample can improve the reliability of the installation positioning of pull rod 6, and each component is more uniformly stressed on enabled spring jump bit, even if in length
Under the use of time, the case where internal component of spring jump bit deforms, the structure of the spring jump bit also can be avoided
Design is very scientific and reasonable, and then can effectively improve the service life of spring jump bit.By being opened up out on position-limiting drum 1
Hole 11 is worn, and makes the sliding of impact head 7 flush-mounted in wearing in hole 11, effectively position-limiting action can be played to impact head 7 in this way, from
And the accuracy and stability of the movement of impact head 7 can be improved, and then help to improve the reliability of spring jump bit.Due to triggering
Component 10 includes triggering cylinder 101, connecting rod 102, triggering block 103, swings fixture block 104, locating piece 105, mounting rack 106, and is triggered
101 movable sets of cylinder can improve the accuracy of triggering, to help to improve spring jump bit on position-limiting drum 1 in this way
Reliability.Since locating piece 105 is sleeved on pull rod 6, and the locating groove 140 swung on fixture block 104 can be installed in positioning
On block 105, it can act on and swung on fixture block 104 also by triggering block 103, and triggering block 103 is by connecting rod 102 and touching
Hair cylinder 101 connects, and can effectively improve the movable accuracy of triggering block 103 in this way, swings fixture block 104 to help to improve
Movable accuracy, and then the movable accuracy of connecting rod 102 is helped to improve, it can thus effectively improve spring jump bit
Reliability.
On the basis of above-mentioned, to further increase the convenience that pull rod operates, as shown in Figures 1 to 4, in back frame body 3
6 end of pull rod in outside is equipped with balanced handle 61.By the setting of balanced handle 61, the operation of pull rod 6 is helped to improve just
Benefit, to help to improve the applicability of spring jump bit.
On the basis of above-mentioned, for the reliability and security for further increasing spring jump bit, as shown in Figures 1 and 2,
The spring jump bit further includes protection cylinder 20, and 20 both ends of protection cylinder are set on position-limiting drum 1 and back frame body 3, and
It is located at front frame body 2, upper mounted plate 4, bottom plate 5 and mounting rack 106 in protection cylinder 20.Due to front frame body 2, upper fixation
Plate 4, bottom plate 5 and mounting rack 106 are located in protection cylinder 20, the big portion of such pull rod 6, spring 9, connecting rod 102, triggering
Block 103, swing fixture block 104 all will can play the role of masking protection, to have in protection cylinder 20 to these components in this way
Help improve the service life of spring jump bit, and be also avoided that manpower directly contacts these components in this way, this helps to mention
The safety of high spring jump bit.As shown in Figures 1 and 2, in actual assembled, an end cap 40 can be set in 3 upper cover of back frame body,
And it is sleeved on 20 one end of protection cylinder on end cap 40.
On the basis of above-mentioned, to further increase pull rod mobile stability and accuracy, as shown in Fig. 2, before described
Be respectively equipped with linear bearing 30 on frame body 2 and back frame body 3, and make pull rod 6 be set in respectively front frame body 2 with it is straight on back frame body 3
Spool is held on 30.The stability and accuracy that the axial movement of pull rod 6 can be effectively improved by the setting of linear bearing 30, from
And help to improve the reliability of spring jump bit.
On the basis of above-mentioned, for the scope of application for further increasing spring jump bit, as shown in Fig. 2, position-limiting drum 1 with
External thread part 62 is offered on 6 end of pull rod between front frame body 2, the spacing head 8 is screwed onto 62 middle part of external thread part, described
Spacing head 8 is screwed on 62 end of external thread part.Since spacing head 8 is screwed on 6 end of pull rod, so as to be limited by turn
Potential head 8 changes its distance apart from front frame body 2, and then adjustable limit head 8 acts on the active force on spring 9, thus
The impact force size of adjustable impact head 7；And it is screwed onto 62 end of external thread part by making spacing head 8, so that limit can be improved
The position of potential head 8；By above-mentioned structure, the scope of application of spring jump bit can be effectively improved.
On the basis of above-mentioned, for the reliability for further increasing spring jump bit, as shown in Figures 2 to 4, the installation
Frame 106 includes upper fixed block 111, lower fixed block 112, the first articulated shaft 113, the second articulated shaft 114, the first limit shaft 115, the
Two limit shafts 116, the upper fixing block 111 and lower 112 both ends of fixed block are separately fixed on front frame body 2 and back frame body 3, described
The both ends of first articulated shaft 113 and the second articulated shaft 114 are connected on fixed block 111 and lower fixed block 112, the touching
103 movable set of block is sent out on the first articulated shaft 113,104 movable set of swing fixture block is on the second articulated shaft 114, institute
It states the first limit shaft 115 to be arranged in by the medial side of triggering block 103, and the first limit shaft 115 is made to be located at one close to front frame body 2
Side is connected to 115 both ends of the first limit shaft on fixed block 111 and lower fixed block 112, second limit shaft
116 are arranged on the outside of swing 104 other end of fixture block, and 116 both ends of the second limit shaft is made to be connected to fixed block 111 under
On fixed block 112.By the setting of the first limit shaft 115 and the second limit shaft 116, to triggering block 103 and can swing respectively
Good position-limiting action is played in the movement of fixture block 104, to help to improve the reliability of spring jump bit.And pass through upper fixation
The setting of block 111 and lower fixed block 112, and make the first articulated shaft 113, the second articulated shaft 114, the first limit shaft 115 and second
116 both ends of limit shaft are connected on fixed block 111 and lower fixed block 112, can effectively improve the first articulated shaft in this way
113, the reliability of the second articulated shaft 114, the first limit shaft 115 and the installation positioning of the second limit shaft 116, to help to improve
Triggering block 103 and the reliability for swinging the installation positioning of fixture block 104, and then help to improve the reliability of spring jump bit.
When needing spring 9 to accumulate elastic potential energy, two hands of operator can be held in triggering cylinder 101 and pull rod 6 respectively
On, then opposite direction pulls, and the locating groove 140 for swinging fixture block 104 can be made to be placed on locating piece 105, and make to trigger
103 inner end of block, which presses against, to be swung on 104 other end outer wall of fixture block, so as to make spring jump bit be in state to be fired.This
It is when being displaced outwardly due to pull rod 6, locating piece 105 can act on 140 side cell wall of locating groove, to make to swing fixture block
104 realizations, which swing and are placed on locating piece 105 completely to locating groove 140, to be stopped.And when pulling triggering cylinder 101, Ke Yila
Dynamic connecting rod 102 is swung so that triggering block 103 be made to realize, and is rocked to 103 inner end of triggering block and is swung outside 104 other end of fixture block
Side and press against swing 104 outer wall of fixture block on.
In actually manufacture, flowering structure such as can be used and design: the hinged place for swinging fixture block 104 is equipped with torsional spring, and makes
Torsional spring, which acts on, to be swung on fixture block 104, to laterally rotate power to 104 other end of fixture block one is swung by the torsional spring.This
When triggering block 103 is left and swings 104 other end of fixture block, swinging 104 other end of fixture block can quickly swing out sample, thus
Make to swing the locating groove 140 on fixture block 104 and be detached from locating piece 105, and then locating piece 105 can be made to lose position-limiting action, in this way
Pull rod 6 can move under the action of spring 9, so that impact head 7 realizes the effect of impact workpiece.
In actually manufacture, flowering structure such as can be used and design: being equipped between the triggering cylinder 101 and position-limiting drum 1 and reset bullet
Spring, with by reset spring to 101 1, cylinder of triggering to the power move on the outside of position-limiting drum 1, can thus make the beginning of triggering block 103
Eventually in the limit state for swinging fixture block 104, i.e. 103 inner end of triggering block is in press always and swings outside 104 other end of fixture block
Under the location status of wall.In this configuration, it is also necessary to first limit shaft 115 be set by 103 side of triggering block, and make first
Limit shaft 115 is located at the peace between triggering block 103 and the hinge joint and triggering block 103 and the hinge joint of connecting rod 102 of mounting rack 106
It shelves on 106, it, can be to touching by the first limit shaft 115 in this way when the active force of reset spring is conducted to triggering block 103
Hair block 103 plays good position-limiting action, to prevent triggering block 103 from continuing to swing, so as to position with being in triggering block 103
Under the location status that its inner end is in that press swings 104 other end outer wall of fixture block.
When pulling back pull rod 6, locating piece 105 can be made to be in contact with 140 side cell wall of locating groove, so as to pass through
Locating piece 105, which pushes, swings fixture block 104, swings so as to swing fixture block 104, until locating groove 140 is placed in locating piece completely
On 105.Due to, during this, swinging 104 other end of fixture block can be swung, and triggering block 103 can be realized swing and from
It is dynamic to reset, when swing 104 other end of fixture block is in contact with 103 inner end of triggering block, triggering block 103 can be pushed to bring it about pendulum
Dynamic, when swing 104 other end of fixture block swung 103 inner end of triggering block, triggering block 103 just automatically resets, such triggering block 103
Inner end, which just may act on, to be swung on 104 other end outer wall of fixture block, to can be realized by 103 pairs of swing fixture blocks 104 of triggering block
Position-limiting action, and then the reliability of the positioning of locating piece 105 can be improved.In use, it can go to hit work by triggering cylinder 101
Part can also hit triggering cylinder 101 by workpiece.
Claims (6)
1. a kind of spring jump bit, it is characterised in that: including position-limiting drum (1), front frame body (2), back frame body (3), upper mounted plate
(4), bottom plate (5), pull rod (6), impact head (7), spacing head (8), spring (9), trigger assembly (10), wherein position-limiting drum
(1) it offers and wears hole (11) on, the position-limiting drum (1), front frame body (2) and back frame body (3) are successively disposed side by side on lower fixation
On plate (5), and make to wear hole (11) aperture towards front frame body (2), fixed plate (4) respectively both ends respectively with position-limiting drum
(1), connect at the top of back frame body (3), and make to connect at the top of front frame body (2) with upper mounted plate (4) middle part, the pull rod (6) can edge
It is axially movably set on front frame body (2) and back frame body (3) middle part, and the spring (9) is sleeved on position-limiting drum (1) and side arm
On pull rod (6) between body (2), pull rod (6) end of spacing head (8) setting between position-limiting drum (1) and front frame body (2)
On, and making spring (9) both ends difference elastic reaction on spacing head (8) and front frame body (2), impact head (7) sliding is embedded in
In wearing hole (11), and impact head (7) is made to connect with spacing head (8), the trigger assembly (10) include triggering cylinder (101),
Connecting rod (102), swings fixture block (104), locating piece (105), mounting rack (106) at triggering block (103), the mounting rack (106)
Both ends are connected on front frame body (2) and back frame body (3) side wall, and triggering cylinder (101) sliding sleeve is mounted in position-limiting drum (1)
Outer end, described connecting rod (102) one end are hinged in triggering cylinder (101), and described swing fixture block (104) one end is hinged on mounting rack
(106) it on, is offered locating groove (140) on the inner wall for swinging fixture block (104), the triggering block (103) is hinged on peace
It shelves on (106), and triggering block (103) outer end is made to be hinged with connecting rod (102) other end, also push up triggering block (103) inner end
It is pressed in and swings on fixture block (104) other end outer wall, the locating piece (105) is sleeved between front frame body (2) and back frame body (3)
On pull rod (6), and make locating piece (105) in locating groove (140).
2. spring jump bit according to claim 1, it is characterised in that: set on pull rod (6) end on the outside of back frame body (3)
There are balanced handle (61).
3. spring jump bit according to claim 1, it is characterised in that: it further include protection cylinder (20), the protection cylinder (20)
Both ends are set on position-limiting drum (1) and back frame body (3), and make front frame body (2), upper mounted plate (4), bottom plate (5) with
Mounting rack (106) is located in protection cylinder (20).
4. spring jump bit according to claim 1, it is characterised in that: set respectively on the front frame body (2) and back frame body (3)
There are linear bearing (30), and is set in pull rod (6) respectively on the linear bearing (30) on front frame body (2) and back frame body (3).
5. spring jump bit according to claim 1, it is characterised in that: the pull rod between position-limiting drum (1) and front frame body (2)
(6) it is offered on end external thread part (62), the spacing head (8) is screwed onto the middle part of external thread part (62), the spacing head (8)
It is screwed on external thread part (62) end.
6. spring jump bit according to claim 1, it is characterised in that: the mounting rack (106) includes upper fixed block
(111), lower fixed block (112), the first articulated shaft (113), the second articulated shaft (114), the first limit shaft (115), the second limit
Axis (116), the upper fixing block (111) and lower fixed block (112) both ends are separately fixed on front frame body (2) and back frame body (3),
The both ends of first articulated shaft (113) and the second articulated shaft (114) are connected to fixed block (111) and lower fixed block
(112) on, triggering block (103) movable set is on the first articulated shaft (113), swing fixture block (104) movable set
On the second articulated shaft (114), first limit shaft (115) is arranged in by the medial side of triggering block (103), and makes the first limit
Position axis (115) is located at close to the side of front frame body (2), and the first limit shaft (115) both ends is also made to be connected to fixed block
(111) and on lower fixed block (112), second limit shaft (116), which is arranged in, to be swung on the outside of fixture block (104) other end, and is made
Second limit shaft (116) both ends are connected on fixed block (111) and lower fixed block (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821219416.2U CN208420336U (en) | 2018-07-31 | 2018-07-31 | A kind of spring jump bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821219416.2U CN208420336U (en) | 2018-07-31 | 2018-07-31 | A kind of spring jump bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420336U true CN208420336U (en) | 2019-01-22 |
Family
ID=65122602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821219416.2U Active CN208420336U (en) | 2018-07-31 | 2018-07-31 | A kind of spring jump bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420336U (en) |
-
2018
- 2018-07-31 CN CN201821219416.2U patent/CN208420336U/en active Active
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