CN203845753U

CN203845753U - Jack supporting frame

Info

Publication number: CN203845753U
Application number: CN201420210385.XU
Authority: CN
Inventors: 陈薪州
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-04-28
Filing date: 2014-04-28
Publication date: 2014-09-24
Anticipated expiration: 2024-04-28

Abstract

The utility model discloses a jack supporting frame. The jack supporting frame mainly comprises a leg frame, a supporting rod, an air pressure rod and a stop part, wherein the supporting rod is movably inserted in a tube base, the air pressure rod is fixed between the supporting rod and the tube base in a hidden mode, a plurality of sets of corresponding embedding grooves which are arranged in the mode of being vertically spaced are formed in the two sides of the supporting rod respectively, another side of the supporting rod is provided with one or more plug pin holes which are vertically spaced, and a lock knob with a plug pin is installed on one side of the tube base of the leg frame. Before the jack supporting frame is loaded, the supporting rod can be controlled to quickly ascend by releasing the plug pin of the lock knob, and the stop part is fixed to the embedding grooves of the supporting rod and the side wall at the upper end of the tube base in an embedded mode to achieve a good fixing and supporting effect.

Description

Jack bracing frame

Technical field

The utility model is about a kind of jack bracing frame, and it is to be combined with especially an air pressure rod, in bracing frame, before load not yet, can be discharged and be made strut bar be climbed to required control position by the push rod of this air pressure rod.

Background technology

Known jack bracing frame, as disclosed various jack bracing frames of Patent Case such as known US 3802658, US 4021012, US 4245808, US 8201807 or CN 201350893Y, conventionally all comprise: the members such as foot rest, strut bar and stop part, strut bar activity is inserted in foot rest base, during use, first move and adjust strut bar to required height and position, then lock and be fixed on strut bar with stop part (as latch); But above-mentioned known bracing frame, all cannot fast rise movable support bar, and especially not yet, before load, user also costs power and carries out height adjustment, therefore that integrated operation is used is still inconvenient.

Utility model content

The purpose of this utility model is to provide a kind of jack bracing frame, and its use is simple and easy and time saving and energy saving, can effectively promote the comfort feature that integrated operation is used.

To achieve these goals, the utility model provides a kind of jack bracing frame, comprises a foot rest, a strut bar, an air pressure rod and a stop part, wherein:

Foot rest, the base that comprises a base and a hollow, a side installing one of this base has the cage knob of latch;

Strut bar, the movable base that inserts, its upper end is provided with a top holding piece, and the both sides of strut bar have respectively the many groups of corresponding caulking grooves that are upper and lower interval, and opposite side is provided with more than one pin hole;

Air pressure rod, hides and is fixed between strut bar and base;

Stop part, for the corresponding caulking groove of coupling embedding strut bar both sides;

Jack bracing frame according to above-mentioned composition, in bracing frame not yet before load, the locking of removing air pressure rod by the latch of cage knob limits, so that control strut bar fast rise, move, when strut bar arrives the position of predetermined rise height, with stop part, embed and be fixed on the caulking groove of strut bar and the upper end Bian Bi of base again, form fixed pedestal.

This air pressure rod comprises an outer tube body and a push rod, one end of this outer tube body utilizes one first set pin to run through strut bar, and setting firmly the top that is incorporated into strut bar hollow inside, base is run through with one second set pin in one end of push rod, and sets firmly the bottom that is incorporated into base hollow inside.

This strut bar is in the set more than one pin hole of opposite side, and each pin hole coupling is corresponding to the latch of cage knob, and when the lifting of spacing distance, the latch of this cage knob all can be aimed at and insert each pin hole.

This strut bar, in the set more than one pin hole of opposite side, is provided with an interior inclined-plane in upper end hole wall.

This stop part is a U-shaped assembly, and opening embeds the corresponding caulking groove of strut bar both sides for coupling.

This U-shaped stop part is respectively equipped with a flexible steel ball in the front end of U-shaped arm.

Adopt after such scheme, the utlity model has following advantage:

1, this thousand pieces of gold topmast support is not yet before load, can discharge air pressure rod by cage knob latch, to control strut bar fast rise, move, and utilize stop part to embed caulking groove and the base upper end Bian Bi that is fixed on strut bar, produce good fixed pedestal effect, its use is simple and easy and time saving and energy saving, can effectively promote the comfort feature that integrated operation is used;

2, air pressure rod is fixedly arranged between strut bar and base, therefore can obtains splendid concealment effect;

3, the opening of stop part can mate the corresponding caulking groove that embeds strut bar both sides, and block is in the upper end of base Bian Bi, and produces splendid fixed pedestal effect;

4, at the upper end of pin hole hole wall, establish an interior inclined-plane, in the downward retract stroke of strut bar, can utilize interior inclined-plane along the latch of ejection cage knob, strut bar can be inside contracted downwards fast, come back in base;

5, at the front end of U-shaped arm, establish respectively a flexible steel ball, while making U-shaped stop part embed the corresponding caulking groove of strut bar both sides, and can utilize the flexible steel ball of U-shaped arm both sides, obtain preferably locating effect.

Accompanying drawing explanation

Fig. 1 is the combination stereogram that the utility model is propradation;

Fig. 2 is three-dimensional exploded view of the present utility model;

Fig. 3 is the combination section of the utility model when the state of use;

Fig. 4 is the combination stereogram that the utility model is decline state;

Fig. 5 and Fig. 6 are the continuous action schematic diagram that the utility model is decline state;

Fig. 7 is that in the utility model, U-shaped stop part holds the generalized section that is contacted with strut bar tube wall with the steel ball that stretches;

Fig. 8 is the view of U-shaped stop part when flexible steel ball does not contact strut bar tube wall in the utility model.

Component names:

Foot rest 1 strut bar 2

Air pressure rod 3 stop parts 4

Base 11 bases 12

Cage knob 13 latches 131

Top holding piece 21 caulking grooves 22

Pin hole 23 outer tube bodies 31

Push rod 32 first set pins 33

The second interior inclined-plane 231 of set pin 34

Flexible steel ball 41.

The specific embodiment

Below coordinate accompanying drawing to describe feature of the present utility model and advantage in detail:

As shown in Figures 1 to 4, jack bracing frame of the present utility model, comprises a foot rest 1, a strut bar 2, an air pressure rod 3 and a stop part 4, wherein:

Foot rest 1, the base 12 that comprises a base 11 and a hollow, and a side installing one of this base 12 has the cage knob 13 of latch 131;

Strut bar 2, the movable foot rest base 12 that inserts, its upper end is provided with a top holding piece 21, in the both sides of strut bar 2, has respectively the many groups of corresponding caulking grooves 22 that are upper and lower interval, and is provided with a pin hole 23 that is above upper and lower interval in opposite side;

Air pressure rod 3, it is a known assembly, comprise an outer tube body 31 and a push rod 32, push rod 32 can be automatically protruding when release of pressure, air pressure rod 3 is hidden and is fixed between strut bar 2 and base 12, as shown in the figure, outer tube body 31 one end of air pressure rod 3 utilize one first set pin 33 to run through strut bar 2, and set firmly the top that is incorporated into these strut bar 2 hollow inside, push rod 32 one end of air pressure rod 3, be to run through base 12 with one second set pin 34, and set firmly the bottom that is incorporated into these base 12 hollow inside, therefore can obtain concealment effect;

Stop part 4, as shown in the figure, this stop part 4 is a U-shaped assembly, and its opening can mate the corresponding caulking groove 22 that embeds strut bar 2 both sides, and block is in the upper end of base 12 Bian Bi, to produce splendid fixed pedestal effect;

Jack bracing frame according to above-mentioned composition, in bracing frame not yet before load, can to remove the locking of air pressure rod 3, limit by the latch 131 of cage knob 13, make the push rod 32 of air pressure rod 3 automatically protruding, can control strut bar 2 fast rise moves, when strut bar 2 arrives the position of predetermined rise height, with stop part 4, embed and be fixed on the caulking groove 22 of strut bar 2 and the upper end Bian Bi of base 12 again, form good fixed pedestal, it is very simple and easy and time saving and energy saving again on using, therefore can effectively promote the comfort feature that integrated operation is used.

The above-mentioned pin hole 23 of being located at strut bar 2 opposite sides, each pin hole 23 couplings are corresponding to the latch 131 of cage knob 13, therefore when the lifting of spacing distance, the latch 131 of this cage knob 13 all can be aimed at and insert each pin hole 23, makes latch 131 can obtain suitable locating effect.

As shown in Figure 5, Figure 6, above-mentioned pin hole 23 can further be provided with an interior inclined-plane 231 in upper end hole wall, and in the downward retract stroke of strut bar 2, can utilize interior inclined-plane 231 along the latch 131 of ejection cage knob 13, strut bar 2 can be inside contracted downwards by smooth and easy fast speed, and come back in base 12.

As shown in Figure 7, Figure 8, above-mentioned U-shaped stop part 4, can be further in the front end of U-shaped arm, be respectively equipped with a flexible steel ball 41, make U-shaped stop part 4 when embedding the corresponding caulking groove 22 of strut bar 2 both sides, can utilize the flexible steel ball 41 of both sides, hold the tube wall that is contacted with strut bar 2, and obtain preferably locating effect.

Above embodiment takes off, and only, for the explanation that exemplifies of the utility model major technique, not in order to limit this case technical scope, as relates to equivalent application or simple and easy change displacement, all must be considered as this case technical scope.

Claims

1. a jack bracing frame, comprises a foot rest, a strut bar, an air pressure rod and a stop part, it is characterized in that:

Air pressure rod, hides and is fixed between strut bar and base;

2. jack bracing frame as claimed in claim 1, it is characterized in that: this air pressure rod comprises an outer tube body and a push rod, one end of this outer tube body utilizes one first set pin to run through strut bar, and set firmly the top that is incorporated into strut bar hollow inside, base is run through with one second set pin in one end of push rod, and sets firmly the bottom that is incorporated into base hollow inside.

3. jack bracing frame as claimed in claim 1, it is characterized in that: this strut bar is in the set more than one pin hole of opposite side, each pin hole coupling is corresponding to the latch of cage knob, and when the lifting of spacing distance, the latch of this cage knob all can be aimed at and insert each pin hole.

4. jack bracing frame as claimed in claim 1, is characterized in that: this strut bar, in the set more than one pin hole of opposite side, is provided with an interior inclined-plane in upper end hole wall.

5. jack bracing frame as claimed in claim 1, is characterized in that: this stop part is a U-shaped assembly, and opening embeds the corresponding caulking groove of strut bar both sides for coupling.

6. jack bracing frame as claimed in claim 5, is characterized in that: this U-shaped stop part is respectively equipped with a flexible steel ball in the front end of U-shaped arm.