CN211198443U

CN211198443U - Jack with rotatable jacking head

Info

Publication number: CN211198443U
Application number: CN201921221038.6U
Authority: CN
Inventors: 张治军; 王健; 邵志勇; 李建厂; 张泽松
Original assignee: Seftec Precision Machinery Manufacturing Co ltd
Current assignee: Seftec Precision Machinery Manufacturing Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-08-07
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a top rotatable formula jack, including base, diamond-shaped support frame, lead screw, fixed top, activity top and stop gear, diamond-shaped support frame is installed to the base, the hinged end of diamond-shaped support frame both sides is equipped with the lead screw, diamond-shaped support frame's top is equipped with fixed top, and under the effect of lead screw, diamond-shaped support frame action drive fixed top removes along vertical direction, movable top is installed at the top of fixed top, the rotatable slider of installing in top of activity top, at least one stop gear is installed to the outer wall of activity top, the last flexible card that is equipped with of stop gear, the lower terminal surface of slider is equipped with the spacing draw-in groove of a plurality of and the flexible card looks adaptation of activity. The movable ejector head capable of rotating is arranged on the fixed ejector head, so that the movable ejector head can meet the requirements of special occasions and is more convenient to use, and the locking knob is arranged on the limiting mechanism, so that the movable ejector head is also suitable for occasions without rotating the ejector head.

Description

Jack with rotatable jacking head

[ technical field ] A method for producing a semiconductor device

The utility model relates to a mechanical jack technical field, especially a technical field of top rotatable formula jack.

[ background of the invention ]

The jack is one kind and regards as equipment of work with rigid jacking piece, holds in the palm the light little jacking equipment of claw jacking heavy object in the stroke through top bracket or bottom, and current mechanical jack's top is mostly fixed structure, and under some special occasions, especially need the condition of the angle of conversion promotion work piece, the rotation of unable realization top provides a rotatable formula jack in top now.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, provide a top rotatable formula jack, through set up rotatable movable top on fixed top, can adapt to the requirement of some special occasions, it is more convenient to use.

In order to realize the above-mentioned purpose, the utility model provides a top rotatable formula jack, including base, diamond-shaped support frame, lead screw, fixed top, activity top and stop gear, diamond-shaped support frame is installed to the base, the hinged end of diamond-shaped support frame both sides is equipped with the lead screw, diamond-shaped support frame's top is equipped with fixed top, and under the effect of lead screw, the fixed top of diamond-shaped support frame action drive is removed along vertical direction, movable top is installed at the top of fixed top, the rotatable slider of installing in top of activity top, at least one stop gear is installed to the outer wall of activity top, the last flexible card that is equipped with of stop gear, the lower terminal surface of slider is equipped with the spacing draw-in groove of a plurality of and the flexible card looks adaptation of activity.

Preferably, the movable plug further comprises a bearing mounting seat, a supporting rotating shaft is arranged at the bottom of the sliding block, the supporting rotating shaft is rotatably mounted in a bearing of the bearing mounting seat, and the axis of the supporting rotating shaft is parallel to the axis of the movable expansion clamp.

Preferably, the sliding block is a cylinder, four limiting clamping grooves are evenly distributed on the lower end face of the sliding block in the circumferential direction, and the cross section of each limiting clamping groove is circular.

Preferably, a supporting table is arranged at the top of the fixed ejector, an installation table is arranged at the bottom of the movable ejector, and the installation table and the supporting table are fixedly connected through a fastener.

Preferably, stop gear still includes mounting bracket, support sleeve, spring, the flexible card of activity passes through spring mounting in support sleeve's inner chamber, the top of the flexible card of activity is equipped with the hemisphere dop, the bottom of the flexible card of activity is equipped with the card post, the periphery of card post is located to the spring housing.

As preferred, the locking groove has been seted up to the lateral wall of activity expansion card, the locking knob is installed to one side of mounting bracket, one side of locking knob is equipped with the screw rod, the tip of screw rod runs through the screw hole on mounting bracket, the support sleeve, cooperates with the locking groove, the axis of screw rod is mutually perpendicular with the axis of activity expansion card, the axis of activity expansion card coincides mutually with the axis of support sleeve.

Preferably, a stable support plate is fixed to the bottom of the base.

The utility model has the advantages that: the utility model discloses a base, the rhombus support frame, the lead screw, fixed top, the cooperation of activity top and stop gear etc, through set up rotatable activity top on fixed top, can rotate the work piece and change its angle after promoting the work piece, can adapt to the requirement of some special occasions, it is more convenient to use, at the in-process of rotating the slider, at every turn during flexible card of activity is embedded into the spacing draw-in groove in the slider, it has certain damping sense to continue to rotate, can remind the operative employee conversion whether to target in place, and set up the locking knob on stop gear, can lock the activity top, be applicable equally in some occasions that need not rotate the top.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a jack with a rotatable top head according to the present invention;

fig. 2 is a schematic partial structural view of a jack with a rotatable top head according to the present invention;

fig. 3 is a schematic bottom view of a slide block of a jack with a rotatable top according to the present invention;

fig. 4 is a schematic diagram of an internal structure of a limiting mechanism of a jack with a rotatable top head.

[ detailed description ] embodiments

Referring to fig. 1 to 4, the jack with rotatable top of the present invention comprises a base 1, a diamond-shaped support frame 2, a screw rod 3, a fixed top 4, a movable top 5 and a position-limiting mechanism 6, the base 1 is provided with a rhombic supporting frame 2, the hinged ends at the two sides of the rhombic supporting frame 2 are provided with a screw rod 3, the top of the rhombic supporting frame 2 is provided with a fixed top 4, under the action of the screw rod 3, the rhombic supporting frame 2 acts to drive the fixed jacking head 4 to move along the vertical direction, the top of the fixed top head 4 is provided with a movable top head 5, the top of the movable top head 5 is rotatably provided with a slide block 52, at least one limiting mechanism 6 is arranged on the outer wall of the movable plug 5, a movable expansion clamp 63 is arranged on the limiting mechanism 6, the lower end surface of the slide block 52 is provided with a plurality of limiting clamping grooves 522 matched with the movable telescopic clamps 63. The movable plug 5 further comprises a bearing mounting seat 51, a supporting rotating shaft 521 is arranged at the bottom of the sliding block 52, the supporting rotating shaft 521 is rotatably mounted in a bearing of the bearing mounting seat 51, and the axis of the supporting rotating shaft 521 is parallel to the axis of the movable expansion clamp 63. The slider 52 is a cylinder, four limiting clamping grooves 522 are uniformly distributed on the lower end face of the slider 52 in the circumferential direction, and the cross section of each limiting clamping groove 522 is circular. The top of the fixed top head 4 is provided with a supporting platform 41, the bottom of the movable top head 5 is provided with an installation platform 53, and the installation platform 53 is fixedly connected with the supporting platform 41 through a fastener. Stop gear 6 still includes mounting bracket 61, support sleeve 62, spring 64, the flexible card 63 of activity passes through spring 64 to be installed in support sleeve 62's inner chamber, the top of the flexible card 63 of activity is equipped with hemisphere dop 631, the bottom of the flexible card 63 of activity is equipped with card post 632, the periphery of card post 632 is located to the spring 64 cover. Locking groove 633 has been seted up to the lateral wall of activity expansion card 63, locking knob 60 is installed to one side of mounting bracket 61, one side of locking knob 60 is equipped with screw rod 601, the screw hole on mounting bracket 61, the support sleeve 62 is run through to the tip of screw rod 601, cooperatees with locking groove 633, the axis of screw rod 601 is mutually perpendicular with the axis of activity expansion card 63, the axis of activity expansion card 63 coincides mutually with the axis of support sleeve 62. A stable support plate 11 is fixed at the bottom of the base 1.

The utility model discloses the working process:

the utility model relates to a jack with rotatable jack head's theory of operation does: through set up rotatable activity top on fixed top, can rotate the work piece and change its angle after promoting the work piece, can adapt to the requirement of some special occasions, it is more convenient to use, at the in-process that rotates the slider, in the time of the spacing draw-in groove in the slider is embedded into to the flexible card of activity at every turn, can realize the location, use four spacing draw-in grooves as the example, every graduation is 90 degrees, after rotating 90 degrees at every turn, spacing draw-in groove will insert spacing draw-in groove, continue to rotate and have certain damping sense, can remind the operative employee to switch in place. And set up the locking knob on stop gear, when needs are locked the activity top, rotate the slider earlier and imbed the spacing draw-in groove with the flexible card of activity, the screw rod of locking groove and locking knob is in same water flat line this moment, then inwards screw the screw rod, until inserting in the spacing draw-in groove, can lock the activity top, need not rotate the occasion of top equally suitable for in some. The bottom installation of base stabilizes the backup pad and can increase the area of contact of jack and ground, improves the stability of supporting.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A jack with a rotatable jacking head is characterized in that: comprises a base (1), a rhombic support frame (2), a lead screw (3), a fixed top head (4), a movable top head (5) and a limiting mechanism (6), wherein the rhombic support frame (2) is installed on the base (1), the lead screw (3) is arranged at the hinged end of the two sides of the rhombic support frame (2), the fixed top head (4) is arranged at the top of the rhombic support frame (2), the fixed top head (4) is driven by the rhombic support frame (2) to move along the vertical direction under the action of the lead screw (3), the movable top head (5) is installed at the top of the fixed top head (4), a sliding block (52) is rotatably installed at the top of the movable top head (5), at least one limiting mechanism (6) is installed on the outer wall of the movable top head (5), a movable telescopic clamp (63) is arranged on the limiting mechanism (6), a plurality of limiting clamp grooves (522) matched with the movable telescopic clamp (63) are arranged on the lower end face of the, the movable top (5) further comprises a bearing mounting seat (51), a supporting rotating shaft (521) is arranged at the bottom of the sliding block (52), the supporting rotating shaft (521) is rotatably mounted in a bearing of the bearing mounting seat (51), the axis of the supporting rotating shaft (521) is parallel to the axis of the movable telescopic clamp (63), the sliding block (52) is a cylinder, four limiting clamping grooves (522) are uniformly distributed on the lower end face of the sliding block (52) in the circumferential direction, the cross section of each limiting clamping groove (522) is circular, the limiting mechanism (6) further comprises a mounting frame (61), a supporting sleeve (62) and a spring (64), the movable telescopic clamp (63) is mounted in the inner cavity of the supporting sleeve (62) through the spring (64), a hemispherical clamping head (631) is arranged at the top of the movable telescopic clamp (63), and a clamping column (632) is arranged at the bottom of the movable telescopic clamp (63), the periphery of card post (632) is located to spring (64) cover, locking groove (633) have been seted up to the lateral wall of activity expansion card (63), locking knob (60) are installed to one side of mounting bracket (61), one side of locking knob (60) is equipped with screw rod (601), the screw hole on mounting bracket (61), support sleeve (62) is run through to the tip of screw rod (601), cooperatees with locking groove (633), the axis of screw rod (601) is mutually perpendicular with the axis of activity expansion card (63), the axis of activity expansion card (63) coincides mutually with the axis of support sleeve (62).

2. A jack as claimed in claim 1 wherein: the top of fixed top (4) is equipped with brace table (41), the bottom of activity top (5) is equipped with mount table (53), mount table (53) carry out fixed connection through the fastener with brace table (41).

3. A jack as claimed in claim 1 wherein: and a stable support plate (11) is fixed at the bottom of the base (1).